Commit Graph

153 Commits

Author SHA1 Message Date
Pedro Alves f3b1572e1a gdb/
* mi/mi-interp.c (mi_interpreter_init): Attach mi_about_to_proceed
	to the about_to_proceed observer notification.
	(mi_about_to_proceed): New.
	(mi_on_resume): Only output ^running and the prompt here if the
	target was proceeded.
	* breakpoint.c (breakpoint_proceeded): New static.
	(breakpoint_about_to_proceed): New.
	(_initialize_breakpoints): Attach breakpoint_about_to_proceed to
	the about_to_proceed observer notification.
	* inferior.h (breakpoint_proceeded): Delete declaration.
	* infrun.c (clear_proceed_status): Don't set breakpoint_proceeded.
	Notify the about_to_proceed observers.
	(struct inferior_status): Delete breakpoint_proceeded member.
	(save_inferior_status): Don't save it.
	(restore_inferior_status): Don't restore it.
	* mi-main.h (mi_proceeded): Declare.
	* mi/mi-main.c (mi_cmd_execute): Clear mi_proceeded before running
	a command.

gdb/doc/

	* observer.texi (about_to_proceed): New.
2009-03-22 18:06:07 +00:00
Pedro Alves c5a4d20bb9 * gdbthread.h (struct thread_info): Add in_infcall member.
* infcall.c (run_inferior_call): Save, set and restore in_infcall.
	Remove reverences to suppress_resume_observer.  Refresh
	`call_thread' after returning from `proceed'.
	* infcmd.c (suppress_resume_observer): Delete.
	* inferior.h (suppress_resume_observer): Delete declaration.
	* mi/mi-interp.c (mi_on_resume): Suppress output while calling an
	inferior function.
	* thread.c (set_running): Remove references to
	suppress_resume_observer.
	* infrun.c (struct inferior_status): Add in_infcall member.
	(save_inferior_status): Save it.
	(restore_inferior_status): Restore it.
2009-03-22 17:59:59 +00:00
Pedro Alves 41d2bdb467 * infcall.c (run_inferior_call): Remove references to
suppress_stop_observer.
	* infcmd.c (suppress_stop_observer): Delete.
	(finish_command_continuation): Remove NOTE.  Don't clear
	suppress_stop_observer anymore.
	(finish_command_continuation_free_arg): Likewise.
	(finish_forward): Remove references to suppress_stop_observer.
	Call normal_stop observer if we haven't already.
	* inferior.h (suppress_stop_observer): Delete.
	* infrun.c (normal_stop): When deciding to suppress the
	normal_stop observer, check for proceed_to_finish instead of
	suppress_stop_observer.
2009-03-22 17:57:11 +00:00
Pedro Alves 1941c569e4 * inferior.h (notice_new_inferior): Declare.
* infcmd.c (notice_new_inferior): New.
	* remote.c (remote_add_inferior, remote_add_thread): New.
	(notice_new_inferiors): Rename to...
	(remote_notice_new_inferior): ... this.  Add RUNNING argument.
	Use remote_add_thread instead of add_thread, passing it the
	RUNNING argument.  Add an inferior with remote_add_inferior.  If
	we just learned about an inferior, call notice_new_inferior.
	(record_currthread): Adjust.
	(remote_threads_info): Adjust to use remote_notice_new_inferior.
	(remote_start_remote, extended_remote_attach_1): Use remote_add_inferior.
	(process_stop_reply): Adjust.  Call remote_notice_new_inferior
	after handling expedited registers and watchpoint state.
	(extended_remote_create_inferior_1): Use remote_add_inferior.
2009-03-04 22:50:59 +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
Doug Evans b89667ebd4 * dummy-frame.c (dummy_frame): Replace regcache member with
caller_state.
	(dummy_frame_push): Replace caller_regcache arg with caller_state.
	All callers updated.
	(remove_dummy_frame,pop_dummy_frame,lookup_dummy_frame): New fns.
	(dummy_frame_pop): Rewrite.  Verify requested frame is in the
	dummy frame stack.  Restore program state.
	(cleanup_dummy_frames): Rewrite.
	(dummy_frame_sniffer): Update.  Make static.
	* dummy-frame.h (regcache,frame_info): Delete forward decls.
	(inferior_thread_state): New forward decl.
	(dummy_frame_push): Update prototype.
	* frame.c (frame_pop): dummy_frame_pop now does all the work for
	DUMMY_FRAMEs.
	* infcall.c (breakpoint_auto_delete_contents): Delete.
	(get_function_name,run_inferior_call): New fns.
	(call_function_by_hand): Simplify by moving some code to
	get_function_name, run_inferior_call.  Inferior function call wrapped
	in TRY_CATCH so there's less need for cleanups and all exits from
	proceed are handled similarily.  Detect program exit.
	Detect program stopping in a different thread.
	Make error messages more consistent.
	* inferior.h (inferior_thread_state): Declare (opaque type).
	(save_inferior_thread_state,restore_inferior_thread_state,
	make_cleanup_restore_inferior_thread_state,
	discard_inferior_thread_state, get_inferior_thread_state_regcache):
	Declare.
	(save_inferior_status): Update prototype.
	* infrun.c: (normal_stop): When stopped for the completion of an
	inferior function call, verify the expected stack frame kind.
	(inferior_thread_state): New struct.
	(save_inferior_thread_state,restore_inferior_thread_state,
	do_restore_inferior_thread_state_cleanup,
	make_cleanup_restore_inferior_thread_state,
	discard_inferior_thread_state,
	get_inferior_thread_state_regcache): New functions.
	(inferior_status): Move stop_signal, stop_pc, registers to
	inferior_thread_state.  Remove restore_stack_info.
	(save_inferior_status): Remove arg restore_stack_info.
	All callers updated.  Remove saving of state now saved by
	save_inferior_thread_state.
	(restore_inferior_status): Remove restoration of state now done by
	restore_inferior_thread_state.
	(discard_inferior_status): Remove freeing of registers, now done by
	discard_inferior_thread_state.

	* gdb.base/break.exp: Update expected gdb output.
	* gdb.base/sepdebug.exp: Ditto.
	* gdb.mi/mi-syn-frame.exp: Ditto.
	* gdb.mi/mi2-syn-frame.exp: Ditto.

	* gdb.base/call-signal-resume.exp: New file.
	* gdb.base/call-signals.c: New file.
	* gdb.base/unwindonsignal.exp: New file.
	* gdb.base/unwindonsignal.c: New file.
	* gdb.threads/interrupted-hand-call.exp: New file.
	* gdb.threads/interrupted-hand-call.c: New file.
	* gdb.threads/thread-unwindonsignal.exp: New file.
2009-01-19 19:05:01 +00:00
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Tristan Gingold d26b535418 2008-12-16 Tristan Gingold <gingold@adacore.com>
* inflow.c: Remove old_sigio, handle_sigio, old_fcntl_flags,
	set_sigio_trap, clear_sigio_trap definitions.
	* inferior.h: Remove set_sigio_trap and clear_sigio_trap declarations.
	* inf-ptrace.c (inf_ptrace_wait): Remove call to set_sigio_trap
	and clear_sigio_trap.
	* inf-ttrace.c (inf_ttrace_wait): Ditto.
	* linux-nat.c (linux_nat_wait): Ditto.
	* spu-linux-nat.c (spu_child_wait): Ditto.
	* rs6000-nat.c (rs6000_wait): Ditto.
	* target.c: Remove target_activity_function and target_activity_fd.
	* target.h: Remove target_activity_function and target_activity_fd
	declarations.
2008-12-16 11:15:58 +00:00
Doug Evans 642fd10146 * inferior.h (proceed_to_finish): Delete, unused.
(stop_registers): Tweak comment.
	* infrun.c (stop_registers): Tweak comment.
2008-11-20 00:35:23 +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
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
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
Pedro Alves 2fdf0e429d * inferior.h (inferior_ignoring_leading_exec_events): Delete
declaration.
2008-10-31 20:02:04 +00:00
Pedro Alves 3990c31b8a * inferior.h (write_inferior_status_register): Delete.
* infrun.c (write_inferior_status_register): Delete.
2008-10-31 19:41:37 +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
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 181e7f9393 Remove the attach_flag global, and make it per-inferior.
* inferior.h (attach_flag): Delete.
	(inferior_process): Declare.
	* solib.c (update_solib_list): Adjust.
	* gnu-nat.c (gnu_create_inferior, gnu_attach): Adjust.
	* inf-ptrace.c (inf_ptrace_detach): Adjust.
	(inf_ptrace_files_info): Get it from the current inferior.
	* inf-ttrace.c (inf_ttrace_attach): Adjust.
	(inf_ttrace_files_info): Get it from the current
	inferior.
	* inflow.c (terminal_inferior, terminal_ours_1, set_sigint_trap)
	(clear_sigint_trap): Get it from the current process.
	* remote.c (extended_remote_attach_1)
	(extended_remote_create_inferior_1): Adjust.
	* top.c (quit_confirm, quit_target): Get it from the current inferior.
	* procfs.c (do_detach): Adjust.
	(procfs_wait): Get it from the event inferior.
	(procfs_files_info): Get it from the current inferior.
	* nto-procfs.c (procfs_files_info): Likewise.
	(procfs_attach): Adjust.  Set the attach_flag here.
	(do_attach): Don't set it here.
	(procfs_detach): Don't clear it.
	(procfs_mourn_inferior): Don't clear it.
	* solib-osf.c (osf_solib_create_inferior_hook): Adjust.
	* target.c (attach_flag): Delete.
	(generic_mourn_inferior): Don't clear it.
	* win32-nat.c (get_win32_debug_event): Get it from the event
	process.
	(do_initial_win32_stuff): Add attaching argument.  Set attach_flag
	in the inferior accordingly.
	(win32_attach): Don't set the attach_flag here.  Pass 1 to
	do_intial_win32_stuff.
	(win32_files_info): Get it from the current inferior.
	(win32_create_inferior): Dont clear attach_flag here.  Pass 0 to
	do_intial_win32_stuff.
2008-09-22 15:21:30 +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
Pedro Alves 82f7388440 Implement remote multi-process extensions.
* remote.c (struct remote_state): Add extended and
	multi_process_aware fields.
	(remote_multi_process_p): New.
	(PACKET_vKill): New.
	(record_currthread): Use thread_change_ptid.  Notice new
	inferiors.
	(set_thread, remote_thread_alive): Use write_ptid.
	(write_ptid, read_ptid): New.
	(remote_current_thread, remote_threads_extra_info): Use them.
	(remote_threads_info): Likewise.  Detect new inferiors.
	(remote_start_remote): Add inferior to inferior list.
	(remote_multi_process_feature): New.
	(remote_protocol_features): Add "multiprocess" feature.
	(remote_query_supported): Pass "multiprocess+" as supported
	features.
	(remote_open_1): Clear multi_process_aware.  Set extended
	accordingly.
	(remote_detach_1): Detach current process.  Use extended packet
	format for extended-remote multi-process.  Detach process from the
	inferior list.  Only mourn after printing output.
	(extended_remote_attach_1): Add process to the inferior list.
	(remote_vcont_resume): Use write_ptid to pass the thread ids.
	(remote_wait): Use read_ptid.  Implement the extended
	multi-process extension format of the 'W' and 'X' reply packets.
	Remove exited inferiors from inferior list.
	(remote_xfer_memory): Set general thread.
	(remote_vkill): New.
	(extended_remote_kill): New.
	(remote_mourn_1): Discard all inferiors.
	(select_new_thread_callback): New.
	(extended_remote_mourn_1): If there are more processes to debug,
	switch to a thread in another process, and don't pop the target.
	(extended_remote_create_inferior_1): Add the new process to the
	inferior list.
	(remote_stopped_by_watchpoint): Indenting.
	(remote_xfer_partial): Set the general thread.
	(remote_pid_to_str): If the remote is multi-process aware, print
	the process id as well as the thread id.
	(remote_get_thread_local_address): Use write_ptid.
	(init_extended_remote_ops): Register extended_remote_kill.
	(_initialize_remote): Register new packets.  Change
	magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid
	member to 42000.

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

	* inferior.h (discard_all_inferiors): Declare.
	* inferior.c (discard_all_inferiors): New.
2008-09-22 15:18:30 +00:00
Pedro Alves b77209e000 gdb/
* inferior.h: Forward declare struct ui_out.
	Forward declare struct private_inferior.
	(struct inferior): New.
	(init_inferior_list, add_inferior, add_inferior_silent)
	(delete_inferior, delete_inferior_silent, detach_inferior)
	(gdb_inferior_id_to_pid, pid_to_gdb_inferior_id, in_inferior_list)
	(valid_inferior_id, find_inferior_pid): New functions.
	(inferior_callback_func): New typedef.
	(iterate_over_inferiors, print_inferior, have_inferiors)
	(current_inferior): New functions.
	* inferior.c: New file.

	* Makefile.in (SFILES): Add inferior.c.
	(COMMON_OBS): Add inferior.o.

gdb/doc/
	* gdb.texinfo (Inferiors): New section.
2008-09-22 15:12:19 +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 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 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
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 94cc34afe2 Non-stop inferior control.
* infrun.c (resume): In non-stop mode, always resume just one
	thread.
	(proceed): Don't call prepare_to_proceed in non-stop mode.
	(fetch_inferior_event): In non-stop mode, switch context before
	handling the event.
	(error_is_running, ensure_not_running): New.
	(handle_inferior_event): In non-stop mode: Mark only the event
	thread as stopped.  Require that the target module manages adding
	threads to the thread list.  Assert that there isn't a
	deferred_step_ptid set.  Don't switch to infwait_thread_hop_state.
	(normal_stop): Only mark not-running if inferior hasn't exited.
	In non-stop mode, only mark the event thread.

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

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

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

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

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

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

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

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

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

	* inferior.h (context_switch_to): Declare.

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

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

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

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

	* Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
Pedro Alves ad52ddc6a4 Add non_stop global.
* inferior.h (non_stop): Declare.
	* infrun.c (non_stop, non_stop_1): New.
	(set_non_stop, show_non_stop): New.
	(_initialize_infrun): Add "set/show non-stop" command.
2008-07-09 22:27:13 +00:00
Pedro Alves 8ea051c51f Add "executing" property to threads.
* inferior.h (target_executing): Delete.
	* gdbthread.h (struct thread_info): Add executing_ field.
	(set_executing, is_executing): New.
	* thread.c (main_thread_executing): New.
	(init_thread_list): Clear it and also main_thread_running.
	(is_running): Return false if target has no execution.
	(any_running, is_executing, set_executing): New.

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

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

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

	* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
	$(gdbthread_h).
2008-07-09 22:16:15 +00:00
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 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
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
Pedro Alves 237fc4c9cd Implement displaced stepping.
gdb/
	* gdbarch.sh (max_insn_length): New 'variable'.
	(displaced_step_copy, displaced_step_fixup)
	(displaced_step_free_closure, displaced_step_location): New
	functions.
	(struct displaced_step_closure): Add forward declaration.
	* gdbarch.c, gdbarch.h: Regenerated.

	* arch-utils.c: #include "objfiles.h".
	(simple_displaced_step_copy_insn)
	(simple_displaced_step_free_closure)
	(displaced_step_at_entry_point): New functions.
	* arch-utils.h (simple_displaced_step_copy_insn)
	(simple_displaced_step_free_closure)
	(displaced_step_at_entry_point): New prototypes.

	* i386-tdep.c (I386_MAX_INSN_LEN): Rename to...
	(I386_MAX_MATCHED_INSN_LEN): ... this.
	(i386_absolute_jmp_p, i386_absolute_call_p)
	(i386_ret_p, i386_call_p, i386_breakpoint_p, i386_syscall_p)
	(i386_displaced_step_fixup): New functions.
	(struct i386_insn, i386_match_insn): Update.
	(i386_gdbarch_init): Set gdbarch_max_insn_length.
	* i386-tdep.h (I386_MAX_INSN_LEN): New.
	(i386_displaced_step_fixup): New prototype.
	* i386-linux-tdep.c (i386_linux_init_abi): Include "arch-utils.h".
	Register gdbarch_displaced_step_copy,
	gdbarch_displaced_step_fixup, gdbarch_displaced_step_free_closure,
	and gdbarch_displaced_step_location functions.

	* infrun.c (debug_displaced): New variable.
	(show_debug_displaced): New function.
	(struct displaced_step_request): New struct.
	(displaced_step_request_queue, displaced_step_ptid)
	(displaced_step_gdbarch, displaced_step_closure)
	(displaced_step_original, displaced_step_copy)
	(displaced_step_saved_copy, can_use_displaced_stepping): New
	variables.
	(show_can_use_displaced_stepping, use_displaced_stepping)
	(displaced_step_clear, cleanup_displaced_step_closure)
	(displaced_step_dump_bytes, displaced_step_prepare)
	(displaced_step_clear_cleanup, write_memory_ptid)
	(displaced_step_fixup): New functions.
	(resume): Call displaced_step_prepare.
	(proceed): Call read_pc once, and remember the value.  If using
	displaced stepping, don't remove breakpoints.
	(handle_inferior_event): Call displaced_step_fixup.  Add some
	debugging output.  When we try to step over a breakpoint, but get
	a signal to deliver to the thread instead, ensure the step-resume
	breakpoint is actually inserted.  If a thread hop is needed, and
	displaced stepping is enabled, don't remove breakpoints.
	(init_wait_for_inferior): Call displaced_step_clear.
	(_initialize_infrun): Add "set debug displaced" command.  Add
	"maint set can-use-displaced-stepping" command.  Clear
	displaced_step_ptid.
	* inferior.h (debug_displaced): Declare variable.
	(displaced_step_dump_bytes): Declare function.

	* Makefile.in (arch-utils.o, i386-linux-tdep.o): Update
	dependencies.

	gdb/testsuite/
	* gdb.asm/asmsrc1.s: Add scratch space.

	gdb/doc/
	* gdb.texinfo (Debugging Output): Document "set/show debug
	displaced".
	(Maintenance Commands): Document "maint set/show
	can-use-displaced-stepping".
2008-05-02 16:49:54 +00:00
Joel Brobecker ae123ec613 * infrun.c (wait_for_inferior): Add treat_exec_as_sigtrap parameter
and use it.
        (proceed, start_remote): Update call to wait_for_inferior.
        * inferior.h (wait_for_inferior): Update declaration.
        * fork-child.c, infcmd.c, solib-irix.c, solib-osf.c, solib-sunos.c,
        solib-svr4.c, win32-nat.c: Update calls to wait_for_inferior.
        * inf-ttrace.c (inf_ttrace_wait): Report TTEVT_EXEC events as
        TARGET_WAITKIND_EXECD instead of TARGET_WAITKIND_STOPPED.
2008-01-29 21:11:24 +00:00
Daniel Jacobowitz 9b254dd1ce Updated copyright notices for most files. 2008-01-01 22:53:26 +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
Daniel Jacobowitz b0f4b84b5c * infrun.c (inferior_ignoring_startup_exec_events): Delete.
(start_remote): Use STOP_QUIETLY_REMOTE.
	(handle_inferior_event): Do not condition TARGET_WAITKIND_LOADED
	support on a SOLIB_ADD definition.  Update breakpoints_inserted.
	Update to match shared library event breakpoint support.  Only
	resume if appropriate.  Handle STOP_QUIETLY_REMOTE.
	(normal_stop): Handle TARGET_WAITKIND_LOADED.
	* fork-child.c (startup_inferior): Do not set
	inferior_ignoring_startup_exec_events
	* inferior.h (inferior_ignoring_startup_exec_events): Delete
	declaration.
	(enum stop_kind): Improve documentation.  Add STOP_QUIETLY_REMOTE.

	* config/gdbserver.exp (gdb_reconnect): New.
	* gdb.base/so-disc-shr.c, gdb.base/solib-disc.c,
	gdb.base/solib-disc.exp: New files.
	* lib/gdb.exp (gdb_test_multiple): Allow tests to match "Ending
	remote debugging".
	(gdb_compile): Add shlib_load flag.
	* lib/gdbserver-support.exp (gdbserver_run): Save the protocol and
	port.
	(gdbserver_reconnect): New.
2007-07-02 21:29:28 +00:00
Ulrich Weigand 61a1198acf * gdbarch.sh (read_pc): Add REGCACHE argument. Remove PTID argument.
(write_pc): Likewise.  Remove default implementation, add predicate.
	* gdbarch.c, gdbarch.h: Regenerate.
	* regcache.c (read_pc_pid): Use current regcache instead of calling
	read_register_pid.
	(write_pc_pid): Check gdbarch_write_pc predicate, implement default
	case inline.
	(generic_target_write_pc): Remove.
	* inferior.h (generic_target_write_pc): Remove.
	* frv-tdep.c (frv_gdbarch_init): Do not install it.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Likewise.
	* rs6000-tdep.c (rs6000_gdbarch_init): Likewise.
	* sh64-tdep.c (sh64_gdbarch_init): Likewise.
	* sh-tdep.c (sh_gdbarch_init): Likewise.
	* xstormy16-tdep.c (xstormy16_gdbarch_init): Likewise.

	* avr-tdep.c (avr_read_pc): Add REGCACHE argument.  Remove PTID
	argument.  Use REGCACHE instead of calling read_register_pid.
	* hppa-hpux-tdep.c (hppa_hpux_read_pc): Likewise.
	* hppa-tdep.c (hppa_read_pc): Likewise.
	* hppa-tdep.h (hppa_read_pc): Likewise.
	* ia64-tdep.c (ia64_read_pc): Likewise.
	* m32r-tdep.c (m32r_read_pc): Likewise.
	* mep-tdep.c (mep_read_pc): Likewise.
	* mn10300-tdep.c (mn10300_read_pc): Likewise.
	* spu-tdep.c (spu_read_pc): Likewise.

	* arm-tdep.c (arm_write_pc): Add REGCACHE argument.  Remove PTID
	argument.  Use REGCACHE instead of calling write_register_pid.
	* avr-tdep.c (avr_write_pc): Likewise.
	* hppa-hpux-tdep.c (hppa_hpux_write_pc): Likewise.
	* hppa-tdep.c (hppa_write_pc): Likewise.
	* hppa-tdep.h (hppa_write_pc): Likewise.
	* i386-linux-tdep.c (i386_linux_write_pc): Likewise.
	* amd64-linux-tdep.c (amd64_linux_write_pc): Likewise.
	* ia64-linux-tdep.c (ia64_linux_write_pc): Likewise.
	* ia64-tdep.c (ia64_write_pc): Likewise.
	* ia64-tdep.h (ia64_write_pc): Likewise.
	* m32r-tdep.c (m32r_write_pc): Likewise.
	* m88k-tdep.c (m88k_write_pc): Likewise.
	* mep-tdep.c (mep_write_pc): Likewise.
	* mips-tdep.c (mips_write_pc): Likewise.
	* mips-linux-tdep.c (mips_linux_write_pc): Likewise.
	* mn10300-tdep.c (mn10300_write_pc): Likewise.
	* sparc-tdep.c (sparc_write_pc): Likewise.
	* spu-tdep.c (spu_write_pc): Likewise.

	* mips-tdep.c (read_signed_register): Remove.
	(read_signed_register_pid): Likewise.
	(mips_read_pc): Add REGCACHE argument.  Remove PTID argument.
	Use REGCACHE instead of calling read_signed_register_pid.
2007-06-15 22:44:56 +00:00
Ulrich Weigand faaf634c10 2007-05-31 Markus Deuling <deuling@de.ibm.com>
* gdbarch.sh (CALL_DUMMY_LOCATION): Replace by
	gdbarch_call_dummy_location.
	* infcall.c (call_function_by_hand): Likewise.
	* inferior.h: Change comment.
	* arch-utils.c: Change comment.
	* gdbarch.c, gdbarch.h: Regenerate.
2007-05-31 16:57:30 +00:00
Ulrich Weigand fb4443d8bc * inferior.h (read_sp): Remove prototype.
* regcache.c (read_sp): Remove.
	* gcore.c (derive_stack_segment): Use get_frame_sp instead of read_sp.
	* infcall.c (call_function_by_hand): Likewise.
	* ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Use regcache instead
	of calling read_sp.
	* rs6000-tdep.c (rs6000_push_dummy_call): Likewise.
2007-05-13 12:27:30 +00:00
Ulrich Weigand 1da33a4a1b * inftarg.c, infptrace.c: Remove files.
* Makefile.in (ALLDEPFILES): Remove inftarg.c and infptrace.c
	(inftarg.o, infptrace.o): Remove rules.
	* gdbcore.h (register_addr): Remove prototype.
	* inferior.h (kill_inferior, store_inferior_registers,
	fetch_inferior_registers, attach, detach, ptrace_wait, child_resume,
	call_ptrace, pre_fork_inferior): Remove prototypes.
	* target.h (child_xfer_memory, child_pid_to_exec_file,
	child_core_file_to_sym_file, child_post_attach,
	child_post_startup_inferior, child_acknowledge_created_inferior,
	child_insert_fork_catchpoint, child_remove_fork_catchpoint,
	child_insert_vfork_catchpoint, child_remove_vfork_catchpoint,
	child_insert_exec_catchpoint, child_remove_exec_catchpoint,
	child_follow_fork, child_reported_exec_events_per_exec_call,
	child_has_exited, child_thread_alive): Remove prototypes.
2007-05-07 00:21:04 +00:00
Ulrich Weigand 56be38147c * target.h (struct regcache): Add forward declaration.
(struct target_ops): Add REGCACHE parameter to to_fetch_registers
	and to_store_registers target operations.
	(target_fetch_registers, target_store_registers): Update.

	* regcache.c (regcache_raw_read): Replace register_cached by
	regcache_valid_p.  Pass regcache to target_fetch_registers.
	(regcache_raw_write): Pass regcache to target_store_registers.

	* arm-linux-nat.c (store_fpregister, store_fpregs, store_register,
	store_regs, store_wmmx_regs): Replace register_cached by
	regcache_valid_p.

	* bsd-kvm.c (bsd_kvm_open, bsd_kvm_proc_cmd): Pass current_regcache
	to target_fetch_registers calls.
	* corelow.c (core_open): Likewise.
	* linux-nat.c (linux_nat_corefile_thread_callback): Likewise.
	* proc-service.c (ps_lgetregs, ps_lsetregs, ps_lgetfpregs,
	ps_lsetfpregs): Likewise.
	* sol-thread.c (ps_lgetregs, ps_lsetregs, ps_lgetfpregs,
	ps_lsetfpregs): Likewise.
	* win32-nat.c (win32_resume): Likewise.
	* ia64-tdep.c (ia64_store_return_value): Pass current_regcache
	to target_store_registers call.
	* rs6000-tdep.c (rs6000_push_dummy_call): Likewise.

	* inferior.h (store_inferior_registers): Update prototype.
	(fetch_inferior_registers): Likewise.
	* gnu-nat.c (gnu_store_registers, gnu_fetch_registers): Likewise.
	* mips-linux-nat.c (super_fetch_registers, super_store_registers):
	Update function pointer signatures.

	* aix-thread.c (aix_thread_fetch_registers): Add REGCACHE parameter,
	use it instead of current_regcache, update calls.
	(aix_thread_store_registers): Likewise.
	* alphabsd-nat.c (alphabsd_fetch_inferior_registers): Likewise.
	(alphabsd_store_inferior_registers): Likewise.
	* amd64bsd-nat.c (amd64bsd_fetch_inferior_registers): Likewise.
	(amd64bsd_store_inferior_registers): Likewise.
	* amd64-linux-nat.c (amd64_linux_fetch_inferior_registers): Likewise.
	(amd64_linux_store_inferior_registers): Likewise.
	* arm-linux-nat.c (fetch_fpregister, fetch_fpregs, store_fpregister,
	store_fpregs, fetch_register, fetch_regs, store_register, store_regs,
	fetch_wmmx_regs, store_wmmx_regs): Likewise.
	(arm_linux_fetch_inferior_registers): Likewise.
	(arm_linux_store_inferior_registers): Likewise.
	* armnbsd-nat.c (fetch_register, fetch_regs, fetch_fp_register,
	fetch_fp_regs, armnbsd_fetch_registers): Likewise.
	(store_register, store_regs, store_fp_register, store_fp_regs,
	armnbsd_store_registers): Likewise.
	* bsd-kvm.c (bsd_kvm_fetch_pcb, bsd_kvm_fetch_registers): Likewise.
	* bsd-uthread.c (bsd_uthread_fetch_registers): Likewise.
	(bsd_uthread_store_registers): Likewise.
	* corelow.c (get_core_registers): Likewise.
	* go32-nat.c (fetch_register, go32_fetch_registers, store_register,
	go32_store_registers): Likewise.
	* hppabsd-nat.c (hppabsd_fetch_registers): Likewise.
	(hppabsd_store_registers): Likewise.
	* hppa-hpux-nat.c (hppa_hpux_fetch_register): Likewise.
	(hppa_hpux_fetch_inferior_registers): Likewise.
	(hppa_hpux_store_register): Likewise.
	(hppa_hpux_store_inferior_registers): Likewise.
	* hppa-linux-nat.c (fetch_register, store_register): Likewise.
	(hppa_linux_fetch_inferior_registers): Likewise.
	(hppa_linux_store_inferior_registers): Likewise.
	* hpux-thread.c (hpux_thread_fetch_registers): Likewise.
	(hpux_thread_store_registers): Likewise.
	* i386bsd-nat.c (i386bsd_fetch_inferior_registers): Likewise.
	(i386bsd_store_inferior_registers): Likewise.
	* i386gnu-nat.c (fetch_fpregs, gnu_fetch_registers, store_fpregs,
	gnu_store_registers): Likewise.
	* i386-linux-nat.c (fetch_register, store_register, fetch_regs,
	store_regs, fetch_fpregs, store_fpregs, fetch_fpxregs, store_fpxregs):
	Likewise.
	(i386_linux_fetch_inferior_registers): Likewise.
	(i386_linux_store_inferior_registers): Likewise.
	* ia64-linux-nat.c (ia64_linux_fetch_register): Likewise.
	(ia64_linux_fetch_registers): Likewise.
	(ia64_linux_store_register): Likewise.
	(ia64_linux_store_registers): Likewise.
	* inf-child.c (inf_child_fetch_inferior_registers): Likewise.
	(inf_child_store_inferior_registers): Likewise.
	* inf-ptrace.c (inf_ptrace_fetch_register): Likewise.
	(inf_ptrace_fetch_registers): Likewise.
	(inf_ptrace_store_register): Likewise.
	(inf_ptrace_store_registers): Likewise.
	* infptrace.c (fetch_register, store_register): Likewise.
	(fetch_inferior_registers, store_inferior_registers): Likewise.
	* m32r-linux-nat.c (fetch_regs, store_regs): Likewise.
	(m32r_linux_fetch_inferior_registers): Likewise.
	(m32r_linux_store_inferior_registers): Likewise.
	* m68kbsd-nat.c (m68kbsd_fetch_inferior_registers): Likewise.
	(m68kbsd_store_inferior_registers): Likewise.
	* m68klinux-nat.c (fetch_register, old_fetch_inferior_registers,
	store_register, old_store_inferior_registers, fetch_regs, store_regs,
	fetch_fpregs, store_fpregs): Likewise.
	(m68k_linux_fetch_inferior_registers): Likewise.
	(m68k_linux_store_inferior_registers): Likewise.
	* m88kbsd-nat.c (m88kbsd_fetch_inferior_registers): Likewise.
	(m88kbsd_store_inferior_registers): Likewise.
	* mips64obsd-nat.c (mips64obsd_fetch_inferior_registers): Likewise.
	(mips64obsd_store_inferior_registers): Likewise.
	* mips-linux-nat.c (mips64_linux_regsets_fetch_registers): Likewise.
	(mips64_linux_regsets_store_registers): Likewise.
	(mips64_linux_fetch_registers): Likewise.
	(mips64_linux_store_registers): Likewise.
	* mipsnbsd-nat.c (mipsnbsd_fetch_inferior_registers): Likewise.
	(mipsnbsd_store_inferior_registers): Likewise.
	* monitor.c (monitor_fetch_register, monitor_store_register): Likewise.
	(monitor_fetch_registers, monitor_store_registers): Likewise.
	* nto-procfs.c (procfs_fetch_registers): Likewise.
	(procfs_store_registers): Likewise.
	* ppc-linux-nat.c (fetch_altivec_register, fetch_spe_register,
	fetch_register, supply_vrregset, fetch_altivec_registers,
	fetch_ppc_registers, ppc_linux_fetch_inferior_registers): Likewise.
	(store_altivec_register, store_spe_register, store_register,
	fill_vrregset, store_altivec_registers, store_ppc_registers,
	ppc_linux_store_inferior_registers): Likewise.
	* ppcnbsd-nat.c (ppcnbsd_fetch_inferior_registers): Likewise.
	(ppcnbsd_store_inferior_registers): Likewise.
	* ppcobsd-nat.c (ppcobsd_fetch_registers): Likewise.
	(ppcobsd_store_registers): Likewise.
	* procfs.c (procfs_fetch_registers, procfs_store_registers): Likewise.
	* remote.c (fetch_register_using_p, process_g_packet,
	fetch_registers_using_g, remote_fetch_registers): Likewise.
	(store_register_using_P, store_registers_using_G,
	remote_store_registers): Likewise.
	* remote-m32r-sdi.c (m32r_fetch_registers, m32r_fetch_register,
	m32r_store_register, m32r_store_register): Likewise.
	* remote-mips.c (mips_fetch_registers, mips_store_registers): Likewise.
	* remote-sim.c (gdbsim_fetch_register): Likewise.
	(gdbsim_store_register): Likewise.
	* rs6000-nat.c (fetch_register, store_register): Likewise.
	(rs6000_fetch_inferior_registers): Likewise.
	(rs6000_store_inferior_registers): Likewise.
	* s390-nat.c (fetch_regs, store_regs): Likewise.
	(fetch_fpregs, store_fpregs): Likewise.
	(s390_linux_fetch_inferior_registers): Likewise.
	(s390_linux_store_inferior_registers): Likewise.
	* shnbsd-nat.c (shnbsd_fetch_inferior_registers): Likewise.
	(shnbsd_store_inferior_registers): Likewise.
	* sol-thread.c (sol_thread_fetch_registers): Likewise.
	(sol_thread_store_registers): Likewise.
	* sparc-nat.c (fetch_inferior_registers): Likewise.
	(store_inferior_registers): Likewise.
	* spu-linux-nat.c (spu_fetch_inferior_registers): Likewise.
	(spu_store_inferior_registers): Likewise.
	* target.c (debug_print_register): Likewise.
	(debug_to_fetch_registers, debug_to_store_registers): Likewise.
	* vaxbsd-nat.c (vaxbsd_fetch_inferior_registers): Likewise.
	(vaxbsd_store_inferior_registers): Likewise.
	* win32-nat.c (do_win32_fetch_inferior_registers): Likewise.
	(win32_fetch_inferior_registers): Likewise.
	(win32_store_inferior_registers): Likewise.
2007-05-06 14:34:38 +00:00
Ulrich Weigand 5f4026606b gdb/ChangeLog:
* config/alpha/nm-osf.h (PTRACE_XFER_TYPE): Remove.
	* config/mips/nm-linux.h (PTRACE_ARG3_TYPE, PTRACE_XFER_TYPE): Remove.
	* config/sparc/nm-linux.h (PTRACE_ARG3_TYPE, PTRACE_XFER_TYPE): Remove.
	* config/powerpc/nm-ppc64-linux.h: Remove file.
	* config/powerpc/ppc64-linux.mh (NATDEPFILES): Set to nm-linux.h.
	* inferior.h (PTRACE_ARG3_TYPE): Do not define.
	(call_ptrace): Change type of third argument to PTRACE_TYPE_ARG3.
	* infptrace.c (call_ptrace): Likewise.
	* m68klinux-nat.c (PTRACE_XFER_TYPE): Do not define.
	(fetch_register): Replace PTRACE_ARG3_TYPE by PTRACE_TYPE_ARG3
	and PTRACE_XFER_TYPE by PTRACE_TYPE_RET.
	(store_register): Likewise.

gdb/doc/ChangeLog:

	* gdbint.texi (Native Conditionals): Remove PTRACE_ARG3_TYPE.
2007-03-30 01:18:17 +00:00
Daniel Jacobowitz 6aba47ca06 Copyright updates for 2007. 2007-01-09 17:59:20 +00:00
Daniel Jacobowitz 8621d6a944 * inferior.h (start_remote): Update prototype.
* infrun.c (start_remote): Take FROM_TTY.  Call
	post_create_inferior.
	* monitor.c (monitor_open): Update call to start_remote.
	* remote-sds.c (sds_start_remote, sds_open): Likewise.
	* remote.c (remote_start_remote): Likewise.
	(remote_start_remote_dummy): Removed.
	(remote_open): Update call to remote_start_remote.  Do not call
	post_create_inferior here.
2006-10-18 16:56:13 +00:00
Daniel Jacobowitz 9353355fa3 PR gdb/1914
* fork-child.c (fork_inferior): Don't call
	solib_create_inferior_hook.
	* infcmd.c (post_create_inferior): Call solib_add,
	solib_create_inferior_hook, and re_enable_breakpoints_in_shlibs.
	(attach_command): Don't call solib_add or
	re_enable_breakpoints_in_shlibs.  Call post_create_inferior
	instead.
	* remote.c (remote_open_1): Don't call solib_create_inferior_hook
	or observer_notify_inferior_created.  Call post_create_inferior
	instead.
	* corelow.c: Don't include "observer.h".
	(solib_add_stub): Deleted.
	(core_open): Don't call observer_notify_inferior_created or
	solib_add_stub.  Call post_create_inferior instead.
	* inf-ptrace.c: Don't include "observer.h".
	(inf_ptrace_attach): Don't call observer_notify_inferior_created.
	* inf-ttrace.c: Don't include "observer.h".
	(inf_ttrace_attach): Don't call observer_notify_inferior_created.
	* inferior.h (solib_create_inferior_hook): Remove redundant
	prototype.
	* inftarg.c: Don't include "observer.h".
	(child_attach): Don't call observer_notify_inferior_created.
	* Makefile.in: Update dependencies.
2006-01-24 22:34:34 +00:00