Commit Graph

299 Commits

Author SHA1 Message Date
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Pedro Alves 37d9480010 * infcmd.c (step_1): Use step_once in the synchronous case too.
(step_1_continuation): Wrap line.
	(step_once): Adjust comment.  Only install the continuation in
	async mode.
2008-12-11 20:34:18 +00:00
Pedro Alves 1c7819ef32 * infcmd.c (until_next_command, finish_backward): Use get_frame_pc
instead of read_pc.
2008-12-10 21:32:15 +00:00
Pedro Alves 1641cfccdd * infcmd.c (step_1, step_once): Look up the stepping range based
on the current frame's PC, not on stop_pc.
2008-12-05 22:38:10 +00:00
Pedro Alves e71c9293b3 * infcmd.c (step_once): Remove dead code. 2008-12-05 02:08:26 +00:00
Vladimir Prus 6418d433f1 Implement '-target-detach pid'.
* infcmd.c (detach_command): Make nonstatic.
        * inferior.h (detach_command): Declare.
        * mi/mi-cmds.c (mi_cmds): Don't route -target-detach via CLI.
        * mi/mi-cmds.h (mi_cmd_target_detach): Declare.
        * mi/mi-main.c (find_thread_of_process, mi_cmd_target_detach): New.
2008-11-17 16:37:35 +00:00
Pedro Alves e0ba674611 * defs.h (add_inferior_continuation)
(do_all_inferior_continuations)
	(discard_all_inferior_continuations): Declare.
	* utils.c (add_inferior_continuation)
	(do_all_inferior_continuations)
	(discard_all_inferior_continuations): New.
	* inferior.h (struct inferior) <continuations>: New field.
	* inferior.c (free_inferior): Discard all the inferior
	continuations.
	* inf-loop.c (inferior_event_handler): Do all current inferior
	continuations.
	* infcmd.c (attach_command): Register an inferior continuation
	instead of a thread continuation.
	* infrun.c (handle_inferior_event): If stop_soon is
	STOP_QUIETLY_NO_SIGSTOP, also expect a TARGET_SIGNAL_0.
2008-11-05 20:23:07 +00:00
Vladimir Prus cb0362bb7a Make attach_command exception-safe
* infcmd.c (attach_command): Call async_enable_stdin
        if exception is thrown.
2008-11-03 21:07:28 +00:00
Pedro Alves 50c71eaf0e * remote.c (remote_start_remote): If the solib list is global,
fetch libraries and insert breakpoints after connecting.
	* infcmd.c (post_create_inferior): If the solist is shared between
	inferiors, no need to refetch it on every new inferior.
	(detach_command): If the shared library list is shared between
	inferiors, then don't clear it on every inferior detach.
	* gdbarch.sh (has_global_solist): New.
	* i386-dicos-tdep.c (i386_dicos_init_abi): Set
	gdbarch_has_global_solist.
	* target.c (target_pre_inferior): If the shared library list is
	shared between inferiors, then don't clear it here, neither
	invalidate the memory regions or clear the target description.
	(target_detach): If the shared library list is shared between
	inferiors, then don't remove breakpoints from the target here.
	(target_disconnect): Comment.
	* solib.c (update_solib_list): Check for null_ptid.
	* breakpoint.c (insert_breakpoints, update_global_location_list):
	If the shared library list is shared between inferiors, insert
	breakpoints even if there's no execution.
	(breakpoint_init_inferior): If the shared library list is shared
	between inferiors, don't delete breakpoints or mark them
	uninserted here.

	* gdbarch.c, gdbarch.h: Regenerate.
2008-11-03 14:01:27 +00:00
Andreas Schwab c22261528c * infcmd.c (construct_inferior_arguments): Handle newlines
specially.

testsuite/:
	* gdb.base/args.exp: Add tests for newlines.
2008-10-30 10:07:16 +00:00
Tom Tromey 79a45b7d67 gdb
* varobj.c (value_get_print_value): Include valprint.h.
	(value_get_print_value): Use get_formatted_print_options.
	* value.h (struct value_print_options): Declare.
	(value_print, val_print, common_val_print, val_print_string):
	Update.
	* value.c: Include valprint.h.
	(show_values): Use get_user_print_options.
	(show_convenience): Likewise.
	* valprint.h (prettyprint_arrays, prettyprint_structs): Don't
	declare.
	(struct value_print_options): New type.
	(vtblprint, unionprint, addressprint, objectprint, print_max,
	inspect_it, repeat_count_threshold, output_format,
	stop_print_at_null): Don't declare.
	(user_print_options, get_user_print_options,
	get_raw_print_options, get_formatted_print_options): Declare.
	(print_array_indexes_p): Don't declare.
	(maybe_print_array_index, val_print_array_elements): Update.
	* valprint.c (print_max): Remove.
	(user_print_options): New global.
	(get_user_print_options, get_raw_print_options,
	get_formatted_print_options): New functions.
	(print_array_indexes, repeat_count_threshold, stop_print_at_null,
	prettyprint_structs, prettyprint_arrays, unionprint,
	addressprint): Remove.
	(val_print): Remove format, deref_ref, pretty arguments; add
	options.  Update.
	(common_val_print): Likewise.
	(print_array_indexes_p): Remove.
	(maybe_print_array_index): Remove format, pretty arguments; add
	options.  Update.
	(val_print_array_elements): Remove format, deref_ref, pretty
	arguments; add options.  Update.
	(val_print_string): Add options argument.  Update.
	(_initialize_valprint): Use user_print_options.
	(output_format): Remove.
	(set_output_radix_1): Use user_print_options.
	* typeprint.c: Include valprint.h.
	(objectprint): Don't declare.
	(whatis_exp): Use get_user_print_options.
	* tui/tui-regs.c: Include valprint.h.
	(tui_register_format): Use get_formatted_print_options.
	* tracepoint.c: Include valprint.h.
	(addressprint): Don't declare.
	(trace_mention): Use get_user_print_options.
	(tracepoints_info): Likewise.
	* stack.c (print_frame_args): Use get_raw_print_options.
	(print_frame_info): Use get_user_print_options.
	(print_frame): Likewise.
	* sh64-tdep.c: Include valprint.h
	(sh64_do_register): Use get_formatted_print_options.
	* scm-valprint.c (scm_inferior_print): Remove format, deref_ref,
	pretty arguments; add options.
	(scm_scmlist_print): Likewise.  Update.
	(scm_scmval_print): Likewise.
	(scm_val_print): Likewise.
	(scm_value_print): Remove format, pretty arguments; add options.
	Update.
	* scm-lang.h (scm_value_print, scm_val_print, scm_scmval_print):
	Update.
	* scm-lang.c (scm_printstr): Add options argument.
	* python/python-value.c: Include valprint.h.
	(valpy_str): Use get_user_print_options.
	* printcmd.c: Include valprint.h.
	(addressprint): Don't declare.
	(inspect_it): Remove.
	(print_formatted): Remove format option; add options.  Update.
	(print_scalar_formatted): Likewise.
	(print_address_demangle): Use get_user_print_options.
	(do_examine): Use get_formatted_print_options.
	(print_command_1): Likewise.
	(output_command): Use get_formatted_print_options.
	(do_one_display): Likewise.
	(print_variable_value): Use get_user_print_options.
	* p-valprint.c (pascal_val_print): Remove format, deref_ref,
	pretty arguments; add options.  Update.
	(pascal_value_print): Remove format, pretty arguments; add
	options.  Update.
	(vtblprint, objectprint): Don't declare.
	(pascal_static_field_print): Remove.
	(pascal_object_print_value_fields): Remove format, pretty
	arguments; add options.  Update.
	(pascal_object_print_static_field): Likewise.
	(_initialize_pascal_valprint): Use user_print_options.  Update.
	* p-lang.h (pascal_val_print, pascal_value_print,
	pascal_printstr, pascal_object_print_value_fields): Update.
	(vtblprint, static_field_print): Don't declare.
	* p-lang.c (pascal_printstr): Add options argument.  Update.
	* objc-lang.c (objc_printstr): Add options argument.  Update.
	* mt-tdep.c: Include valprint.h.
	(mt_registers_info): Use get_raw_print_options.
	* mips-tdep.c: Include valprint.h.
	(mips_print_fp_register): Use get_formatted_print_options.
	(mips_print_register): Likewise.
	* mi/mi-main.c: Include valprint.h.
	(get_register): Use get_user_print_options.
	(mi_cmd_data_evaluate_expression): Likewise.
	(mi_cmd_data_read_memory): Use get_formatted_print_options.
	* mi/mi-cmd-stack.c: Include valprint.h.
	(list_args_or_locals): Use get_raw_print_options.
	* m2-valprint.c (print_function_pointer_address): Add addressprint
	argument.
	(m2_print_long_set): Remove format, pretty arguments.
	(m2_print_unbounded_array): Remove format, deref_ref, pretty
	arguments; add options.  Update.
	(print_unpacked_pointer): Remove format argument; add options.
	Now static.  Update.
	(print_variable_at_address): Remove format, deref_ref, pretty
	arguments; add options.  Update.
	(m2_print_array_contents): Likewise.
	(m2_val_print): Likewise.
	* m2-lang.h (m2_val_print): Update.
	* m2-lang.c (m2_printstr): Add options argument. Update.
	* language.h (struct value_print_options): Declare.
	(struct language_defn) <la_printstr>: Add options argument.
	<la_val_print>: Remove format, deref_ref, pretty argument; add
	options.
	<la_value_print>: Remove format, pretty arguments; add options.
	<la_print_array_index>: Likewise.
	(LA_VAL_PRINT, LA_VALUE_PRINT, LA_PRINT_STRING,
	LA_PRINT_ARRAY_INDEX): Update.
	(default_print_array_index): Update.
	* language.c (default_print_array_index): Remove format, pretty
	arguments; add options.  Update.
	(unk_lang_printstr): Add options argument.
	(unk_lang_val_print): Remove format, deref_ref, pretty arguments;
	add options.
	(unk_lang_value_print): Remove format, pretty arguments; add
	options.
	* jv-valprint.c (java_value_print): Remove format, pretty
	arguments; add options.  Update.
	(java_print_value_fields): Likewise.
	(java_val_print): Remove format, deref_ref, pretty arguments; add
	options.  Update.
	* jv-lang.h (java_val_print, java_value_print): Declare.
	* infcmd.c: Include valprint.h.
	(print_return_value): Use get_raw_print_options.
	(default_print_registers_info): Use get_user_print_options,
	get_formatted_print_options.
	(registers_info): Use get_formatted_print_options.
	* gdbtypes.h (struct value_print_options): Declare.
	(print_scalar_formatted): Update.
	* f-valprint.c (f77_print_array_1): Remove format, deref_ref,
	pretty arguments; add options.  Update.
	(f77_print_array): Likewise.
	(f_val_print): Likewise.
	* f-lang.h (f_val_print): Update.
	* f-lang.c (f_printstr): Add options argument.  Update.
	(c_value_print): Update declaration.
	* expprint.c: Include valprint.h.
	(print_subexp_standard): Use get_raw_print_options,
	get_user_print_options.
	* eval.c: Include valprint.h.
	(objectprint): Don't declare.
	(evaluate_subexp_standard): Use get_user_print_options.
	* cp-valprint.c (vtblprint, objectprint, static_field_print):
	Remove.
	(cp_print_value_fields): Remove format, pretty arguments; add
	options.  Update.
	(cp_print_value): Likewise.
	(cp_print_static_field): Likewise.
	(_initialize_cp_valprint): Use user_print_options.  Update.
	* c-valprint.c (print_function_pointer_address): Add addressprint
	argument.
	(c_val_print): Remove format, deref_ref, pretty arguments; add
	options.  Update.
	(c_value_print): Add options argument.  Update.
	* c-lang.h (c_val_print, c_value_print, c_printstr): Update.
	(vtblprint, static_field_print): Don't declare.
	(cp_print_value_fields): Update.
	* c-lang.c (c_printstr): Add options argument.  Update.
	* breakpoint.c: Include valprint.h.
	(addressprint): Don't declare.
	(watchpoint_value_print): Use get_user_print_options.
	(print_one_breakpoint_location): Likewise.
	(breakpoint_1, print_it_catch_fork, print_it_catch_vfork, mention,
	print_exception_catchpoint): Likewise.
	* auxv.c (fprint_target_auxv): Don't declare addressprint.  Use
	get_user_print_options.
	* ada-valprint.c (struct ada_val_print_args): Remove format,
	deref_ref, and pretty; add options.
	(print_optional_low_bound): Add options argument.
	(val_print_packed_array_elements): Remove format and pretty
	arguments; add options.  Update.
	(printstr): Add options argument.  Update.
	(ada_printstr): Likewise.
	(ada_val_print): Remove format, deref_ref, pretty arguments; add
	options argument.  Update.
	(ada_val_print_stub): Update.
	(ada_val_print_array): Remove format, deref_ref, pretty arguments;
	add options.  Update.
	(ada_val_print_1): Likewise.
	(print_variant_part): Likewise.
	(ada_value_print): Remove format, pretty arguments; add options.
	Update.
	(print_record): Likewise.
	(print_field_values): Likewise.
	* ada-lang.h (ada_val_print, ada_value_print, ada_printstr):
	Update.
	* ada-lang.c (ada_print_array_index): Add options argument; remove
	format and pretty arguments.
	(print_one_exception): Use get_user_print_options.
gdb/testsuite
	* gdb.base/exprs.exp (test_expr): Add enum formatting tests.
2008-10-28 17:19:58 +00:00
Pedro Alves 8a30517206 * target.h (struct target_ops) <to_supports_multi_process>: New
field.
	(target_supports_multi_process): New define.
	* target.c (update_current_target): Inherit and de_fault
	to_supports_multi_process.
	* infcmd.c (attach_command): Allow attaching to multiple processes
	if the target supports it.
	(detach_command): If the target claims there is still execution,
	don't clear the thread list.
	* remote.c (remote_supports_multi_process): New.
	(init_remote_ops): Register remote_supports_multi_process.
2008-10-27 12:43:24 +00:00
Pedro Alves 74531fed1f Remote non-stop mode support.
* remote.c (pending_stop_reply): New.
	(struct remote_state) <non_stop_aware, support_vCont_t>: New
	fields.
	(remote_async_inferior_event_token)
	(remote_async_get_pending_events_token): New.
	(notice_new_inferiors): New, abstracted out from record_currthread.
	(record_currthread): Call it.
	(remote_threads_info): Default threads to running in non-stop
	mode.  In non-stop mode, only qfThreadInfo is supported.
	(remote_close): Discard all pending stop_replies.  Close the event
	sources.
	(set_stop_requested_callback): New.
	(remote_start_remote): Implement non-stop mode startup.  In
	all-stop, don't clear the thread list here.
	(remote_non_stop_feature): New.
	(remote_protocol_features): Add a "QNonStop" feature.
	(remote_open_1): Clear cached_wait_status and non_stop_aware.
	Clear the thread list here.
	(remote_detach_1): Discard pending stop replies of the process we
	detached from.
	(extended_remote_attach_1): Implement non-stop mode.
	(remote_vcont_probe): Recognize `vCont;t'.
	(remote_vcont_resume): Implement non-stop mode.
	(remote_resume): Don't set waiting_for_stop_reply in non-stop
	mode.
	(remote_stop_ns): New.
	(remote_stop): Rename to ...
	(remote_stop_as): ... this.  If we have a cached wait status,
	don't bother interrupting the remote.
	(remote_stop): Reimplement as wrapper around remote_stop_as and
	remote_stop_ns.
	(interrupt_query): Don't query in async mode.
	(struct cached_reg, cahed_reg_t): New.
	(struct stop_reply): New.
	(stop_reply_queue): New.
	(stop_reply_xmalloc, stop_reply_xfree)
	(discard_pending_stop_replies, do_stop_reply_xfree)
	(queued_stop_reply, push_stop_reply, peek_stop_reply)
	(remote_parse_stop_reply, remote_get_pending_stop_replies)
	(process_stop_reply): New.
	(remote_wait_ns): New.
	(remote_wait_as): Use remote_parse_stop_reply.  Invalidate the
	notion of current general thread is a process exit was reported.
	(remote_wait): Call remote_wait_ns in non-stop mode.
	(handle_notification): New.
	(putpkt_binary): Handle notifications.  Don't care for
	waiting_for_stop_reply in non-stop mode.
	(getpkt_sane): Rename to ...
	(getpkt_or_notif_sane_1): ... this.  Add `expecting_notif'
	argument.  Handle it.  Handle notifications.
	(getpkt_sane): Reimplement as wrapper around getpkt_or_notif_sane_1.
	(getpkt_or_notif_sane): New.
	(select_new_thread_callback): Check for exited state instead of
	comparing the ptid against minus_one_ptid.
	(extended_remote_create_inferior_1): Query the remote about the
	current thread.
	(remote_supports_non_stop): New.
	(init_remote_ops): Register it.
	(remote_async_inferior_event_handler): New.
	(remote_async_get_pending_events_handler): New.

	* infcmd.c (proceed_thread_callback): Comment.
	(proceed_after_attach_callback, proceed_after_attach): New.
	(attach_command_post_wait): In background attach, resume all
	threads, but only if they are unsignalled, and not explicitly
	stopped.  In foreground attach, in non-stop mode, make sure to
	stop all threads of the just attached to process.
	(attach_command): In non-stop mode: If doing a background attach,
	stop at least one thread.  If a foreground attach, stop all
	threads.
2008-10-24 20:38:26 +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 f42429a63f * infcmd.c (GO_USAGE): Delete.
(go_command): Adjust.
2008-10-17 23:39:32 +00:00
Michael Snyder b2175913c5 2008-10-17 Michael Snyder <msnyder@vmware.com>
Target interface for reverse debugging.
	* target.h (enum target_waitkind):
	Add new wait event, TARGET_WAITKIND_NO_HISTORY.
	(struct target_ops): New method to_can_execute_reverse.
	(target_can_execute_reverse): New macro.
	* target.c (update_current_target): Inherit to_can_execute_reverse.

	Remote interface for reverse debugging.
	* remote.c (remote_can_execute_reverse): New target method.
	(remote_resume): Check for reverse exec direction, and send
	appropriate command to target.
	(remote_wait_as): Check target response for NO_HISTORY status.
	Also check for empty reply (target doesn't understand "bs" or "bc).
	(remote_vcont_resume): Jump out if attempting reverse execution.

	Event handling interface for reverse debugging.
	* infrun.c (execution_direction): New state variable.
	(enum inferior_stop_reason): Add NO_HISTORY reason.
	(handle_inferior_event): Handle TARGET_WAITKIND_NO_HISTORY.
	Handle stepping over a function call in reverse.
	Handle stepping thru a line range in reverse.
	Handle setting a step-resume breakpoint in reverse.
	Handle stepping into a function in reverse.
	Handle stepping between line ranges in reverse.
	(print_stop_reason): Print reason for NO_HISTORY.
	(step_into_function): Rename to handle_step_into_function.
	(handle_step_into_function_backward): New function.
	(set_exec_direction_func, show_exec_direction_func): New funcs.
	(proceed): No need to singlestep over a breakpoint
	when resuming in reverse.

	* inferior.h (enum exec_direction_kind): New enum.
	(execution_direction): Export new execution state variable.

	* breakpoint.c (make_breakpoint_silent): New function.
	* breakpoint.h (make_breakpoint_silent): Export.
	* infcmd.c (finish_command): Check for reverse exec direction.
	(finish_backward): New function, handle finish cmd in reverse.

	User interface for reverse execution.
	* Makefile.in (reverse.c): New file.
	* reverse.c: New file.  User interface for reverse execution.
2008-10-17 19:43:47 +00:00
Pedro Alves d6b48e9c8b Make the stop_soon global be per-inferior instead.
* infcmd.c (attach_command_post_wait): Adjust.
	(attach_command): Likewise.

	* inferior.h (stop_soon): Delete.
	(struct inferior): Add stop_soon member.

	* infrun.c (stop_soon): Delete.
	(clear_proceed_status, start_remote)
	(fetch_inferior_event, handle_inferior_event): Adjust.
	(signal_stop_state): Don't check stop_soon here.  Check in callers
	instead.
	(save_inferior_status, restore_inferior_status): Adjust.

	* linux-nat.c (linux_nat_resume, linux_nat_wait): Always pass
	signals to common code if starting up the inferior.

	* inferior.h (struct inferior_info): Added stop_soon member.
	* inferior.c (add_inferior) Clear stop_soon.

	* mips-tdep.c (heuristic_proc_start): Adjust.
	* nto-procfs.c (procfs_create_inferior): Adjust.
	* solib-irix.c (irix_solib_create_inferior_hook): Adjust.
	* solib-osf.c (osf_solib_create_inferior_hook): Adjust.
	* solib-sunos.c (sunos_solib_create_inferior_hook): Adjust.
	* solib-svr4.c (svr4_solib_create_inferior_hook): Adjust.

	* win32-nat.c (do_initial_win32_stuff): Adjust.

	* alpha-tdep.c (alpha_heuristic_proc_start): Adjust.
2008-09-22 15:20:08 +00:00
Ulrich Weigand 3c35e65b00 * fork-child.c (startup_inferior): Use target_wait and target_resume
directly instead of calling wait_for_inferior / resume.

	* infcmd.c (kill_if_already_running): Do not call no_shared_libraries
	or init_wait_for_inferior.
	(run_command_1): Call init_wait_for_inferior.
2008-09-11 16:09:33 +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
Ulrich Weigand 714835d5a6 * breakpoint.h (struct bp_location): Change type of section
member to "struct obj_section *".
	* tracepoint.h (struct tracepoint): Likewise.
	* symtab.h (struct general_symbol_info): Replace bfd_section
	member with obj_section.
	(struct symtab_and_line): Change type of section member to
	"struct obj_section *".
	(SYMBOL_BFD_SECTION): Remove macro, replace by ...
	(SYMBOL_OBJ_SECTION): ... this.

	* minsym.c (prim_record_minimal_symbol_and_info): Record symbol
	section as obj_section instead of bfd_section.

	* ada-lang.c (ada_decode_symbol): Use gsymbol->obj_section
	directly instead of looking of obj_section from bfd_section.

	* objfiles.h (find_pc_sect_section): Remove.
	* objfiles.c (find_pc_sect_section): Remove.
	(find_pc_section): Inline find_pc_sect_section code.

	* symfile.h (find_pc_overlay): Return struct obj_section *.
	(find_pc_mapped_section): Likewise.
	(section_is_overlay, section_is_mapped): Change type of section
	argument to struct obj_section *.
	(pc_in_mapped_range, pc_in_unmapped_range): Likewise.
	(overlay_mapped_address, overlay_unmapped_address): Likewise.
	(symbol_overlayed_address): Likewise.
	* symtab.h (symbol_overlayed_address): Likewise.
	* symfile.c (overlay_is_mapped): Remove.
	(section_is_mapped): Inline overlay_is_mapped code.  Update.
	(overlay_invalidate_all): Update.
	(section_is_overlay): Change section argument to type
	"struct obj_section *".  Use bfd_ methods.
	(pc_in_unmapped_range): Likewise.  Handle relocated sections.
	(pc_in_mapped_range): Likewise.  Handle relocated sections.
	(sections_overlap): Likewise.
	(overlay_unmapped_address): Likewise.
	(overlay_mapped_address): Likewise.
	(symbol_overlayed_address): Likewise.
	(find_pc_overlay): Return struct obj_section *.
	(find_pc_mapped_section): Likewise.
	(list_overlays_command): Update.
	(map_overlay_command, unmap_overlay_command): Update.
	(simple_overlay_update): Update.

	* block.h (blockvector_for_pc_sect): Change section argument
	to type "struct obj_section *".
	(block_for_pc_sect): Likewise.
	* block.c (blockvector_for_pc_sect): Change section argument
	to type "struct obj_section *".
	(block_for_pc_sect): Likewise.
	* symtab.h (find_pc_sect_function, find_pc_sect_psymtab,
	find_pc_sect_symtab, find_pc_sect_psymbol, find_pc_sect_line,
	lookup_minimal_symbol_by_pc_section, find_function_start_pc): Likewise.
	(matching_bfd_sections): Rename to ...
	(matching_obj_sections): ... this.  Update argument types.
	* blockframe.c (find_pc_sect_function): Likewise.
	* breakpoint.c (describe_other_breakpoints): Likewise.
	(breakpoint_has_pc, check_duplicates_for): Likewise.
	* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Likewise.
	(lookup_minimal_symbol_by_pc_section): Likewise.
	* symtab.c (find_pc_sect_psymtab_closer): Likewise.
	(find_pc_sect_psymtab, find_pc_sect_psymbol, find_pc_sect_symtab,
	find_pc_sect_line, find_function_start_pc): Likewise.
	(matching_bfd_sections): Rename to ...
	(matching_obj_sections): ... this.  Update argument types.

	* blockframe.c (find_pc_partial_function): Update to section
	type changes.  No longer call find_pc_sect_section.
	(cache_pc_function_section): Change to type "struct obj_section *".
	* breakpoint.c (resolve_sal_pc): Update to section type changes.
	* exec.c (xfer_memory): Likewise.
	* findvar.c (read_var_value): Likewise.
	* infcmd.c (jump_command): Likewise.
	* linespec.c (minsym_found): Likewise.
	* maint.c (maintenance_translate_address): Likewise.
	* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Likewise.
	(lookup_solib_trampoline_symbol_by_pc): Likewise.
	* parse.c (write_exp_msymbol): Likewise.
	* printcmd.c (build_address_symbolic): Likewise.
	(address_info, sym_info): Likewise.
	* symmisc.c (dump_msymbols, print_symbol): Likewise.
	* symtab.c (fixup_section): Likewise.
	(fixup_symbol_section, fixup_psymbol_section): Likewise.
	(find_pc_line, find_function_start_sal): Likewise.
	* target.c (memory_xfer_partial): Likewise.
	* hppa-hpux-tdep.c (hppa64_hpux_in_solib_call_trampoline): Likewise.
	* spu-tdep.c (spu_overlay_update): Likewise.
2008-09-05 11:37:18 +00:00
Ulrich Weigand 029a67e44a * frame.h (frame_map_regnum_to_name): Remove prototype.
(frame_map_name_to_regnum): Remove prototype.
	* frame.c (frame_map_regnum_to_name): Remove.
	(frame_map_name_to_regnum): Remove.
	(frame_unwind_register_value): Use user_reg_map_regnum_to_name
	instead of frame_map_regnum_to_name.
	* ax-gdb.c: Include "user-regs.h".
	(gen_expr): Use user_reg_map_name_to_regnum instead of
	frame_map_name_to_regnum.
	* eval.c:  Include "user-regs.h".
	(evaluate_subexp_standard): Use user_reg_map_name_to_regnum
	instead of frame_map_name_to_regnum.
	* infcmd.c (registers_info): Likewise.
	* parse.c: Include "user-regs.h".
	(write_dollar_variable): Use user_reg_map_name_to_regnum
	instead of frame_map_name_to_regnum.
	* tracepoint.c: Include "user-regs.h".
	(encode_actions): Use user_reg_map_name_to_regnum
	instead of frame_map_name_to_regnum.
	* valops.c: Include "user-regs.h".
	(value_fetch_lazy): Use user_reg_map_regnum_to_name instead
	of frame_map_regnum_to_name.
2008-08-21 20:13:08 +00:00
Vladimir Prus 9908b56683 Make sure target supports non-stop.
* infcmd.c (run_command_1, attach_command): If non-stop mode
        is requested, verify the target supports it.
        * linux-nat.c (linux_nat_supports_non_stop): New.
        (linux_nat_add_target): Register the above.
        * target.c (find_default_supports_non_stop)
        (target_supports_non_stop): New.
        (init_dummy_target): Register find_default_supports_non_stop.
        * target.h (struct target_ops): New field to_supports_non_stop.
        (target_supports_non_stop): New.
2008-08-19 13:22:14 +00:00
Pedro Alves 3d488bfcde * infcmd.c (continue_1): Add an ERROR_NO_INFERIOR call. 2008-08-14 01:39:24 +00:00
Ulrich Weigand b9db4cedff * target.c: Include "solib.h".
(target_pre_inferior): Call no_shared_libraries.
	* infcmd.c (run_command_1): Do not call objfile_purge_solibs
	or clear_solib.
	(attach_command): Do not call clear_solib.
2008-08-09 12:15:10 +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 604ead4a92 2008-07-12 Pedro Alves <pedro@codesourcery.com>
Rewrite continuations internals on top of cleanups and plug
	continuation arguments leaks.

	* defs.h (struct continuation): Make it opaque.
	(add_continuation, add_intermediate_continuation): Drop the int
	argument of the continuation hook argument.  Add
	continuation_free_args argument.
	(do_all_continuations, do_all_intermediate_continuations): Drop
	the error_p argument.

	* utils.c (add_continuation): Drop the int argument of the
	continuation hook argument.  Add continuation_free_args argument.
	Reimplement on top of cleanups.
	(do_all_continuations): Drop error argument.  Reimplement on top
	of cleanups.
	(discard_all_continuations): Reimplement on top of cleanups.
	(add_intermediate_continuation): Drop the int argument of the
	continuation hook argument.  Add continuation_free_args argument.
	Reimplement on top of cleanups.
	(do_all_intermediate_continuations): Drop error argument.
	Reimplement on top of cleanups.
	(discard_all_intermediate_continuations): Reimplement on top of
	cleanups.

	* breakpoint.c (until_break_command_continuation): Drop error
	argument.  Add xfree as continuation argument deleter.

	* inf-loop.c (inferior_event_handler): On error, discard all
	continuations.  Adjust to new do_all_intermediate_continuations
	and do_all_continuations interfaces.

	* infcmd.c (step_1_continuation): Drop error_p argument.  Adjust.
	Pass xfree as continuation argument deleter.
	(finish_command_continuation): Drop error_p argument.  Adjust.
	(finish_command_continuation_free_arg): New.
	(finish_command): Pass finish_command_continuation_free_arg as
	continuation argument deleter.  Adjust to new do_all_continuations
	interfaces.
	(attach_command_continuation): Drop error_p argument.
	(attach_command_continuation_free_args): New.
	(attach_command): Pass attach_command_continuation_free_args as
	continuation argument deleter.

	* interps.c (interp_set): Adjust to new do_all_continuations
	interfaces.

	* event-top.c (stdin_event_handler): In error, also discard the
	intermediate continuations.
2008-07-12 19:25:42 +00:00
Pedro Alves bfec99b27c Replace struct continuation_args by void* and per command structs.
* top.c (execute_command): Remove unused arg1 and arg2 locals.

	* breakpoint.c (struct until_break_command_continuation_args):
	New.
	(until_break_command_continuation): Take a void* instead of a
	continuations_arg.  Adjust.
	(until_break_command): Adjust to use struct
	until_break_command_continuation_args instead of struct
	continuation_arg.

	* infcmd.c (struct step_1_continuation_args): New.
	(step_1_continuation): Take a void* instead of a
	continuations_arg.  Adjust to use struct step_1_continuation_args.
	(step_once): Adjust to use struct step_1_continuation_args.

	(struct finish_command_continuation_args): New.
	(finish_command_continuation): Take a void* instead of a
	continuations_arg.  Adjust to use struct
	finish_command_continuation_args.
	(finish_command): Adjust to use struct
	finish_command_continuation_args.
	(struct attach_command_continuation_args): New.
	(attach_command_continuation): Take a void* instead of a
	continuations_arg.  Adjust to use struct
	attach_command_continuation_args.
	(attach_command): Adjust to use struct
	attach_command_continuation_args.

	* defs.h (struct continuation_arg): Delete.
	(struct continuation): Replace the struct continuation_arg*
	parameter of continuation_hook by a void*.  Replace "arg_list"
	member by a new "args" member with void* type.
	(add_continuation, add_intermediate_continuation): Replace struct
	continuation_arg type usages by void* usages.

	* utils.c (add_continuation, do_all_continuations)
	(add_intermediate_continuation)
	(do_all_intermediate_continuations): Replace struct
	continuation_arg type usages by void* usages.  Pass "args" instead
	of "arg_list".
2008-07-12 19:07:38 +00:00
Vladimir Prus 77ebaa5ad3 Implement -exec-continue/-exec-interrupt --all.
* infcmd.c (continue_1): New, extracted from
        (continue_command): ...here.
        (interrupt_target_1): New, extracted from
        (interrupt_target_command): ...here.
        * inferior.h (continue_1, interrupt_target_1): New.
        * mi/mi-main.c (mi_cmd_exec_continue)
        (mi_cmd_exec_interrupt): Handle --all.
2008-07-12 17:10:59 +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 8cae4b3f0b Add "continue -a" and "interrupt -a" options for non-stop mode.
* infcmd.c (proceed_thread_callback, do_context_switch_to): New.
	(continue_command): Add "-a" option.
	(interrupt_target_command): Add "-a" option.
	(_initialize_infcmd): Add extend help of continue and interrupt
	command to mention the new "-a" option.  Mark "continue" async ok.
2008-07-11 10:59:21 +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 dc177b7a51 * config/i386/nm-cygwin.h (ATTACH_NO_WAIT): Delete.
* config/i386/nm-i386gnu.h (ATTACH_NO_WAIT): Delete.

	* target.h (struct target_ops): Add to_attach_no_wait member.
	(target_attach_no_wait): New.
	* target.c (update_current_target): Inherit to_attach_no_wait.

	* infcmd.c: Replace ATTACH_NO_WAIT compile time check by
	target_attach_no_wait runtime check.

	* gnu-nat.c (init_gnu_ops): Set to_attach_no_wait in gnu_ops.
	* win32-nat.c (init_win32_ops): Set to_attach_no_wait in
	win32_ops.
2008-07-03 17:38:08 +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
Vladimir Prus f7f9a841a3 Use observers to report stop events in MI.
* mi/mi-interp.c (mi_on_normal_stop): New.
        (mi_interpreter_init): Register mi_on_normal_stop.
        (mi_interpreter_exec_continuation): Remove.
        (mi_cmd_interpreter_exec): Don't register the above.
        * mi/mi-main.c (captured_mi_execute_command): Don't care
        about sync_execution.
        (mi_execute_async_cli_command): Don't install continuation.  Don't
        print *stopped.
        (mi_exec_async_cli_cmd_continuation): Remove.
2008-06-10 09:35:09 +00:00
Vladimir Prus f5871ec07b Suppress normal stop observer when it's problematic.
* inferior.h (suppress_normal_stop_observer): New.
        * infcall.c (call_function_by_hand): Disable stop events when
        doing function calls.
        * infmcd.c (suppress_normal_stop_observer): New.
        (finish_command_continuation): Call normal_stop observer
        explicitly.
        (finish_command): Disable stop events inside proceed.
        * infrun.c (normal_stop): Don't call normal stop observer if
        suppressed of if multi-step is in progress.
2008-06-10 09:32:05 +00:00
Vladimir Prus 3d3191a6ad Remove stale code.
* infrun.c (finish_command): Don't pass cleanup
        to continuation.
        (finish_command_continuation): Don't grab cleanup from
        the passed data, as we don't use, and cannot, use it anyway.
2008-06-10 09:30:34 +00:00
Joel Brobecker 0e479716ae * infcmd.c (_initialize_infcmd): Add new "fin" alias for "finish". 2008-05-21 17:54:24 +00:00
Joel Brobecker d8ca156b0e * valprint.c (val_print): Add new language parameter and use it
instead of using the current_language. Update calls to val_print
        throughout.
        (common_val_print): Add new langauge parameter and pass it to
        val_print.
        * value.h (struct language_defn): Add opaque declaration.
        (val_print, common_val_print): Update declarations.
        * stack.c (print_frame_args): Update call to common_val_print
        using the appropriate language.
        * mi/mi-cmd-stack.c (list_args_or_locals): Likewise.
        * c-valprint, f-valprint.c, m2-valprint.c, mt-tdep.c, infcmd.c,
        mi/mi-main.c, jv-valprint.c, ada-valprint.c, varobj.c, p-valprint.c,
        scm-valprint.c, cp-valprint.c, sh64-tdep.c, printcmd.c:
        #include "language.h" if necessary.
        Update calls to val_print and common_val_print.
        * Makefile.in (mt-tdep.o, sh64-tdep.o, mi-cmds.o, mi-main.o):
        Update dependencies.
2008-05-06 21:35:01 +00:00
Pedro Alves b3dc826bc7 * infcmd.c (step_1): Put thread id on the stack to avoid possible
NULL dereferencing.
2008-05-05 16:41:42 +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
Daniel Jacobowitz a0ef42744d 2008-05-01 Daniel Jacobowitz <dan@codesourcery.com>
Pedro Alves  <pedro@codesourcery.com>

	Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff
 	Johnston <jjohnstn@redhat.com>.

	* NEWS: Mention attach to stopped process fix.
	* infcmd.c (detach_command, disconnect_command): Discard the thread
	list.
	* infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while
	attaching.  Use signal_stop_state.
	(signal_stop_state): Check stop_soon.
	* linux-nat.c (kill_lwp): Declare earlier.
	(pid_is_stopped, linux_nat_post_attach_wait): New.
	(lin_lwp_attach_lwp): Use linux_nat_post_attach_wait.  Update
	comments.
	(linux_nat_attach): Use linux_nat_post_attach_wait.
	(detach_callback, linux_nat_detach): Improve handling for signalled
	processes.
	(linux_nat_pid_to_str): Always print out the LWP ID if it differs
	from the process ID.
	* Makefile.in (infcmd.o): Update.

2008-05-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>

	* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
	gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp,
	gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.
2008-05-01 18:50:14 +00:00