1999-04-16 09:35:26 +08:00
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/* Multi-process/thread control defs for GDB, the GNU debugger.
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2005-12-18 06:34:03 +08:00
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Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1997, 1998, 1999,
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2010-01-01 15:32:07 +08:00
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2000, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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2001-03-06 16:22:02 +08:00
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Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This file is part of GDB.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-08-24 02:08:50 +08:00
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the Free Software Foundation; either version 3 of the License, or
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1999-07-08 04:19:36 +08:00
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(at your option) any later version.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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You should have received a copy of the GNU General Public License
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2007-08-24 02:08:50 +08:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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1999-04-16 09:35:26 +08:00
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#ifndef GDBTHREAD_H
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#define GDBTHREAD_H
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2003-04-12 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh: Add missing opaque declarations.
* gdbarch.h: Regnerate.
* symtab.h: Add missing opaque declarations.
* value.h, target.h, symfile.h, stabsread.h: Ditto.
* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
* cli/cli-setshow.h, cli/cli-script.h: Ditto.
2003-04-13 01:41:26 +08:00
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struct symtab;
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1999-04-16 09:35:26 +08:00
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#include "breakpoint.h"
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2002-12-06 15:35:55 +08:00
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#include "frame.h"
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2008-03-15 21:53:25 +08:00
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#include "ui-out.h"
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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).
2008-07-10 06:30:46 +08:00
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#include "inferior.h"
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2008-03-15 21:53:25 +08:00
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2000-01-11 11:07:37 +08:00
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struct thread_info
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{
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struct thread_info *next;
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2001-05-04 12:15:33 +08:00
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ptid_t ptid; /* "Actual process id";
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2000-01-11 11:07:37 +08:00
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In fact, this may be overloaded with
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kernel thread id, etc. */
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int num; /* Convenient handle (GDB thread id) */
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2008-07-10 06:16:15 +08:00
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/* Non-zero means the thread is executing. Note: this is different
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from saying that there is an active target and we are stopped at
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a breakpoint, for instance. This is a real indicator whether the
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thread is off and running. */
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/* This field is internal to thread.c. Never access it directly,
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use is_executing instead. */
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int executing_;
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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 19:07:39 +08:00
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/* Frontend view of the thread state. Note that the RUNNING/STOPPED
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states are different from EXECUTING. When the thread is stopped
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internally while handling an internal event, like a software
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single-step breakpoint, EXECUTING will be false, but running will
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still be true. As a possible future extension, this could turn
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into enum { stopped, exited, stepping, finishing, until(ling),
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running ... } */
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2008-07-10 06:16:15 +08:00
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/* This field is internal to thread.c. Never access it directly,
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use is_running instead. */
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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 19:07:39 +08:00
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int state_;
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/* If this is > 0, then it means there's code out there that relies
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on this thread being listed. Don't delete it from the lists even
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if we detect it exiting. */
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int refcount;
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2008-07-10 06:16:15 +08:00
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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.
2008-09-09 05:40:39 +08:00
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/* User/external stepping state. */
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/* Step-resume or longjmp-resume breakpoint. */
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2000-01-11 11:07:37 +08:00
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struct breakpoint *step_resume_breakpoint;
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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.
2008-09-09 05:40:39 +08:00
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/* Range to single step within.
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If this is nonzero, respond to a single-step signal by continuing
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to step if the pc is in this range.
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If step_range_start and step_range_end are both 1, it means to
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step for a single instruction (FIXME: it might clean up
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wait_for_inferior in a minor way if this were changed to the
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address of the instruction and that address plus one. But maybe
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not.). */
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CORE_ADDR step_range_start; /* Inclusive */
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CORE_ADDR step_range_end; /* Exclusive */
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/* Stack frame address as of when stepping command was issued.
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This is how we know when we step into a subroutine call, and how
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to set the frame for the breakpoint used to step out. */
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2002-12-06 15:35:55 +08:00
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struct frame_id step_frame_id;
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gdb/
* NEWS: Document inlined function support.
* Makefile.in (SFILES): Add inline-frame.c.
(COMMON_OBS): Add inline-frame.o.
* block.c (contained_in): Rewrite to use lexical nesting.
(block_linkage_function): Skip inlined function blocks.
(block_inlined_p): New.
* block.h (struct block): Update comment.
(block_inlined_p): New prototype.
* blockframe.c (get_frame_block): Handle inlined functions.
(get_frame_function): Do not use block_linkage_function.
(block_innermost_frame): Use get_frame_block and contained_in.
* breakpoint.c (watchpoint_check): Remove extra reinit_frame_cache.
Skip over inlined functions. Simplify epilogue check.
(bpstat_check_breakpoint_conditions): Use get_stack_frame_id.
Update comments.
(set_momentary_breakpoint): Only accept non-inlined frames.
(watch_command_1): Use frame_unwind_caller_pc and
frame_unwind_caller_id instead of get_prev_frame.
(until_break_command): Likewise. Use get_stack_frame_id.
* buildsym.c (end_symtab): Set SYMBOL_SYMTAB for block functions.
* dwarf2loc.c (dwarf_expr_frame_base): Use block_linkage_function.
* dwarf2read.c (process_die): Handle DW_TAG_inlined_subroutine.
(read_func_scope, new_symbol): Likewise. Handle arguments specially
for inlined functions without call site information.
(inherit_abstract_dies): Allow tag mismatch for inlined subroutines.
(die_specification): Treat DW_AT_abstract_origin as a specification.
(read_type_die): Handle DW_TAG_inlined_subroutine.
* frame-unwind.c (frame_unwind_init): Add inline_frame_unwind.
* frame.c (fprint_frame_id): Print inline depth.
(fprint_frame_type): Handle INLINE_FRAME and SENTINEL_FRAME.
(skip_inlined_frames, get_stack_frame_id): New.
(frame_unwind_caller_id): Use skip_inlined_frames.
(frame_id_inlined_p): New.
(frame_id_eq): Make the logic match the comments. Add inline_depth
check.
(frame_id_inner): Handle inlined functions.
(frame_unwind_pc): New function, copied from frame_unwind_caller_pc.
(frame_unwind_caller_pc): Use skip_inlined_frames and frame_unwind_pc.
(get_prev_frame_1): Check for inline frames. Split out frame
allocation to get_prev_frame_raw.
(get_prev_frame_raw): New function.
(get_prev_frame): Handle inline frames.
(get_frame_pc): Use frame_unwind_pc.
(get_frame_address_in_block): Skip inlined frames on both sides.
(pc_notcurrent): Delete.
(find_frame_sal): Rewrite to handle inline call sites. Use
get_frame_address_in_block.
(deprecated_update_frame_pc_hack): Make static.
* frame.h: Update comments.
(struct frame_id): Add inline_depth.
(enum frame_type): Add INLINE_FRAME.
(frame_id_inlined_p, get_stack_frame_id): New prototypes.
* gdbthread.h (struct thread_info): Add step_stack_frame_id field.
* infcmd.c (set_step_frame): New function.
(step_once): Use set_step_frame. Handle inlined functions.
(until_next_command): Use set_step_frame.
(finish_backward), finish_forward): Use get_stack_frame_id.
(finish_command): Support inlined functions.
* inferior.h (set_step_info): New prototype.
* infrun.c (RESUME_ALL): Use minus_one_ptid.
(clear_proceed_status): Clear step_stack_frame_id.
(init_wait_for_inferior): Call clear_inline_frame_state.
(init_execution_control_state): Make static.
(set_step_info): New function.
(init_thread_stepping_state): Do not set the symtab or line here.
(stepped_in_from): New function.
(handle_inferior_event): Handle inlined functions. Use set_step_info.
(insert_step_resume_breakpoint_at_frame): Use get_stack_frame_id.
(struct inferior_status): Add step_stack_frame_id.
(save_inferior_status, restore_inferior_status): Save and restore
step_stack_frame_id.
* inline-frame.c, inline-frame.h: New files.
* minsyms.c (prim_record_minimal_symbol_and_info): Use XCALLOC.
* regcache.c (regcache_write_pc): Call reinit_frame_cache.
* s390-tdep.c (s390_prologue_frame_unwind_cache): Handle INLINE_FRAME.
* stack.c (frame_show_address): New.
(print_frame_info, print_frame): Use it.
(find_frame_funname): Use get_frame_function. Handle inlined blocks.
(frame_info): Mark inlined functions.
(backtrace_command_1): Use get_current_user_frame.
(print_frame_local_vars, print_frame_label_vars): Update comments.
(return_command): Refuse inlined functions.
* symtab.c (lookup_symbol_aux_local): Stop at inlined function
boundaries.
(find_function_start_sal): Avoid inlined functions.
(completion_list_add_fields): New function.
(default_make_symbol_completion_list): Use it. Use block_static_block
and block_global_block. Check for inlined functions.
(skip_prologue_using_sal): Avoid line number comparison across
inlining.
* symtab.h (struct symbol): Add is_inlined.
(SYMBOL_INLINED): New.
* target.c (target_resume): Call clear_inline_frame_state.
* valops.c (value_of_variable): Check block_inlined_p.
gdb/doc/
* gdb.texinfo (Debugging Optimized Code): New chapter.
(Compiling for Debugging): Reference it. Move some
text to the new section.
gdb/testsuite/
* gdb.base/break.exp: Add an XFAIL for gcc/36748.
* gdb.cp/annota2.exp: Accept frames-invalid in more places.
* gdb.opt/Makefile.in (EXECUTABLES): Update.
* gdb.opt/clobbered-registers-O2.exp: Update to GPL v3.
* gdb.opt/inline-bt.c, gdb.opt/inline-bt.exp,
gdb.opt/inline-cmds.c, gdb.opt/inline-cmds.exp,
gdb.opt/inline-locals.c, gdb.opt/inline-locals.exp,
gdb.opt/inline-markers.c: New files.
* lib/gdb.exp (skip_inline_frame_tests): New function.
(skip_inline_var_tests): New function.
2009-06-28 08:20:24 +08:00
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/* Similarly, the frame ID of the underlying stack frame (skipping
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any inlined frames). */
|
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struct frame_id step_stack_frame_id;
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|
2001-06-13 Michael Snyder <msnyder@redhat.com>
* gdbthread.h (struct thread_info): Add new fields:
current_line, current_symtab, step_sp, for saved infrun state.
* thread.c (save_infrun_state, load_infrun_state): Save and
restore current_line, current_symtab, and step_sp.
(add_thread): Rather than adding assignments to initialize
the new fields, just use memset (tp, 0, sizeof (*tp).
This way future new fields will not be overlooked.
* infrun.c (handle_inferior_event): Save and restore save_sp,
current_line, and current_symtab when switching threads.
2001-06-14 06:56:16 +08:00
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int current_line;
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struct symtab *current_symtab;
|
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.
2008-09-09 05:40:39 +08:00
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/* Internal stepping state. */
|
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/* Record the pc of the thread the last time it stopped. This is
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maintained by proceed and keep_going, and used in
|
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|
adjust_pc_after_break to distinguish a hardware single-step
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SIGTRAP from a breakpoint SIGTRAP. */
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CORE_ADDR prev_pc;
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/* Nonzero if we are presently stepping over a breakpoint.
|
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If we hit a breakpoint or watchpoint, and then continue, we need
|
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to single step the current thread with breakpoints disabled, to
|
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avoid hitting the same breakpoint or watchpoint again. And we
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should step just a single thread and keep other threads stopped,
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so that other threads don't miss breakpoints while they are
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removed.
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So, this variable simultaneously means that we need to single
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step the current thread, keep other threads stopped, and that
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breakpoints should be removed while we step.
|
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This variable is set either:
|
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- in proceed, when we resume inferior on user's explicit request
|
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- in keep_going, if handle_inferior_event decides we need to
|
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step over breakpoint.
|
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The variable is cleared in normal_stop. The proceed calls
|
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wait_for_inferior, which calls handle_inferior_event in a loop,
|
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and until wait_for_inferior exits, this variable is changed only
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by keep_going. */
|
2000-01-11 11:07:37 +08:00
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int trap_expected;
|
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.
2008-09-09 05:40:39 +08:00
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/* Should we step over breakpoint next time keep_going is called? */
|
2007-12-06 20:57:51 +08:00
|
|
|
int stepping_over_breakpoint;
|
2000-01-11 11:07:37 +08:00
|
|
|
|
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.
2008-09-09 05:40:39 +08:00
|
|
|
/* Set to TRUE if we should finish single-stepping over a breakpoint
|
|
|
|
after hitting the current step-resume breakpoint. */
|
|
|
|
int step_after_step_resume_breakpoint;
|
|
|
|
|
2000-01-11 11:07:37 +08:00
|
|
|
/* This is set TRUE when a catchpoint of a shared library event
|
|
|
|
triggers. Since we don't wish to leave the inferior in the
|
|
|
|
solib hook when we report the event, we step the inferior
|
|
|
|
back to user code before stopping and reporting the event. */
|
|
|
|
int stepping_through_solib_after_catch;
|
|
|
|
|
|
|
|
/* When stepping_through_solib_after_catch is TRUE, this is a
|
|
|
|
list of the catchpoints that should be reported as triggering
|
|
|
|
when we finally do stop stepping. */
|
|
|
|
bpstat stepping_through_solib_catchpoints;
|
|
|
|
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
/* Per-thread command support. */
|
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.
2008-09-09 05:57:42 +08:00
|
|
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|
|
|
|
/* Pointer to what is left to do for an execution command after the
|
|
|
|
target stops. Used only in asynchronous mode, by targets that
|
|
|
|
support async execution. Several execution commands use it. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
struct continuation *continuations;
|
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.
2008-09-09 05:57:42 +08:00
|
|
|
|
|
|
|
/* Similar to the above, but used when a single execution command
|
|
|
|
requires several resume/stop iterations. Used by the step
|
|
|
|
command. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
struct continuation *intermediate_continuations;
|
2008-09-09 05:48:52 +08:00
|
|
|
|
|
|
|
/* Nonzero if the thread is being proceeded for a "finish" command
|
|
|
|
or a similar situation when stop_registers should be saved. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
int proceed_to_finish;
|
2008-09-09 05:48:52 +08:00
|
|
|
|
2009-03-23 01:59:59 +08:00
|
|
|
/* Nonzero if the thread is being proceeded for an inferior function
|
|
|
|
call. */
|
|
|
|
int in_infcall;
|
|
|
|
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
enum step_over_calls_kind step_over_calls;
|
2008-09-09 05:55:16 +08:00
|
|
|
|
|
|
|
/* Nonzero if stopped due to a step command. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
int stop_step;
|
2008-09-09 05:52:25 +08:00
|
|
|
|
|
|
|
/* If stepping, nonzero means step count is > 1 so don't print frame
|
|
|
|
next time inferior stops if it stops due to stepping. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
int step_multi;
|
|
|
|
|
2009-05-25 02:00:08 +08:00
|
|
|
/* This is used to remember when a fork or vfork event was caught by
|
|
|
|
a catchpoint, and thus the event is to be followed at the next
|
|
|
|
resume of the thread, and not immediately. */
|
|
|
|
struct target_waitstatus pending_follow;
|
|
|
|
|
2008-09-09 05:51:18 +08:00
|
|
|
/* Last signal that the inferior received (why it stopped). */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
enum target_signal stop_signal;
|
2008-09-09 05:46:21 +08:00
|
|
|
|
|
|
|
/* Chain containing status of breakpoint(s) the thread stopped
|
|
|
|
at. */
|
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).
2008-07-10 06:30:46 +08:00
|
|
|
bpstat stop_bpstat;
|
|
|
|
|
2008-10-24 07:11:21 +08:00
|
|
|
/* True if this thread has been explicitly requested to stop. */
|
|
|
|
int stop_requested;
|
|
|
|
|
2000-01-11 11:07:37 +08:00
|
|
|
/* Private data used by the target vector implementation. */
|
|
|
|
struct private_thread_info *private;
|
Implement core awareness.
* bcache.c (compare_ints): Remove
(print_percentage): Use compare_positive_ints.
* defs.h (compare_positive_ints): Declare.
* linux-nat.h (struct lin_lwp): New field core.
(linux_nat_core_of_thread_1): Declare.
* linux-nat.c (add_lwp): Init the 'core' field.
(linux_nat_wait_1): Record the core.
(linux_nat_core_of_thread_1, linux_nat_core_of_thread): New.
(linux_nat_add_target): Register the above.
* linux-thread-db.c (update_thread_core): New.
(thread_db_find_new_threads): Update core information for
every thread.
* remote.c (struct private_thread_info): New.
(free_private_thread_info, demand_private_info): New.
(PACKET_qXfer_threads, use_osdata_threads): New.
(struct thread_item, threads_parsing_context
(start_thread, end_thread, thread_attributes)
(thread_children, threads_children, threads_elements): New.
(remote_threads_info): Try qXfer:threads before anything
else.
(remote_protocol_packets): Register qXfer:threads.
(remote_open_1): Init use_osdata_threads.
(struct stop_reply): New field 'core'.
(remote_parse_stop_reply): Parse core number.
(process_stop_reply): Record core number.
(remote_xfer_partial): Handle qXfer:threads.
(remote_core_of_thread): New.
(init_remote_ops): Register remote_core_of_thread.
(_initialize_remote): Register qXfer:read.
* target.c (target_core_of_thread): New
* target.h (enum target_object): New value TARGET_OBJECT_THREADS.
(struct target_ops): New field to_core_of_threads.
(target_core_of_thread): Declare.
* gdbthread.h (struct thread_info): New field private_dtor.
* thread.c (print_thread_info): Report the core.
* ui-out.c (MAX_UI_OUT_LEVELS): Increase.
* utils.c (compare_positive_ints): New.
* features/threads.dtd: New.
* mi/mi-interp.c (mi_on_normal_stop): Report the core.
* mi/mi-main.c (struct collect_cores_data, collect_cores)
(do_nothing, free_vector_of_osdata_items)
(splay_tree_int_comparator, free_splay_tree): New.
(print_one_inferior_data): Implemented printing of selected
inferiors. Collect and print cores.
(output_cores): New.
(mi_cmd_list_thread_groups): Support --recurse. Permit specifying
thread groups together with --available.
2010-01-13 05:40:25 +08:00
|
|
|
|
|
|
|
/* Function that is called to free PRIVATE. If this is NULL, then
|
|
|
|
xfree will be called on PRIVATE. */
|
|
|
|
void (*private_dtor) (struct private_thread_info *);
|
2000-01-11 11:07:37 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Create an empty thread list, or empty the existing one. */
|
|
|
|
extern void init_thread_list (void);
|
|
|
|
|
2008-01-23 19:26:29 +08:00
|
|
|
/* Add a thread to the thread list, print a message
|
|
|
|
that a new thread is found, and return the pointer to
|
|
|
|
the new thread. Caller my use this pointer to
|
|
|
|
initialize the private thread data. */
|
2001-05-04 12:15:33 +08:00
|
|
|
extern struct thread_info *add_thread (ptid_t ptid);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
2008-01-23 19:26:29 +08:00
|
|
|
/* Same as add_thread, but does not print a message
|
|
|
|
about new thread. */
|
|
|
|
extern struct thread_info *add_thread_silent (ptid_t ptid);
|
|
|
|
|
2008-03-21 Daniel Jacobowitz <dan@codesourcery.com>
* gdbthread.h (add_thread_with_info): New.
* linux-thread-db.c: Add some documentation.
(GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete.
(struct private_thread_info): Remove th_valid and ti_valid.
Replace ti with tid.
(thread_get_info_callback): Do not add TID to the new ptid. Do
not cache th or ti.
(thread_db_map_id2thr, lwp_from_thread): Delete functions.
(thread_from_lwp): Assert that the LWP is set. Do not add TID to the
new PTID.
(attach_thread): Handle an already-existing thread. Use
add_thread_with_info. Cache the th and tid.
(detach_thread): Verify that private was set. Remove verbose
argument and printing. Update caller.
(thread_db_detach): Do not adjust inferior_ptid.
(clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete.
(check_event, find_new_threads_callback): Do not add TID to the new PTID.
(thread_db_wait): Do not use lwp_from_thread.
(thread_db_pid_to_str): Use the cached TID.
(thread_db_extra_thread_info): Check that private is set.
(same_ptid_callback): Delete.
(thread_db_get_thread_local_address): Do not use it or check
is_thread. Check that private is set. Assume that the thread
handle is already cached.
(init_thread_db_ops): Remove to_resume and to_kill.
* thread.c (add_thread_with_info): New.
(add_thread): Use it.
* linux-nat.c (find_thread_from_lwp): Delete.
(exit_lwp): Do not use it. Check print_thread_events. Print before
deleting the thread.
(GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to...
* linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here.
* inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and
printf_unfiltered for thread exits.
* procfs.c (procfs_wait): Likewise.
2008-03-21 Pedro Alves <pedro@codesourcery.com>
* gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-21 23:44:53 +08:00
|
|
|
/* Same as add_thread, and sets the private info. */
|
|
|
|
extern struct thread_info *add_thread_with_info (ptid_t ptid,
|
|
|
|
struct private_thread_info *);
|
|
|
|
|
2000-01-11 11:07:37 +08:00
|
|
|
/* Delete an existing thread list entry. */
|
2001-05-04 12:15:33 +08:00
|
|
|
extern void delete_thread (ptid_t);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
2008-07-09 18:58:41 +08:00
|
|
|
/* Delete an existing thread list entry, and be quiet about it. Used
|
|
|
|
after the process this thread having belonged to having already
|
|
|
|
exited, for example. */
|
|
|
|
extern void delete_thread_silent (ptid_t);
|
|
|
|
|
2001-06-02 08:36:20 +08:00
|
|
|
/* Delete a step_resume_breakpoint from the thread database. */
|
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.
2008-09-09 05:40:39 +08:00
|
|
|
extern void delete_step_resume_breakpoint (struct thread_info *);
|
2001-06-02 08:36:20 +08:00
|
|
|
|
2000-01-11 11:07:37 +08:00
|
|
|
/* Translate the integer thread id (GDB's homegrown id, not the system's)
|
|
|
|
into a "pid" (which may be overloaded with extra thread information). */
|
2001-05-04 12:15:33 +08:00
|
|
|
extern ptid_t thread_id_to_pid (int);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
|
|
|
/* Translate a 'pid' (which may be overloaded with extra thread information)
|
|
|
|
into the integer thread id (GDB's homegrown id, not the system's). */
|
2001-05-04 12:15:33 +08:00
|
|
|
extern int pid_to_thread_id (ptid_t ptid);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
|
|
|
/* Boolean test for an already-known pid (which may be overloaded with
|
|
|
|
extra thread information). */
|
2001-05-04 12:15:33 +08:00
|
|
|
extern int in_thread_list (ptid_t ptid);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
|
|
|
/* Boolean test for an already-known thread id (GDB's homegrown id,
|
|
|
|
not the system's). */
|
|
|
|
extern int valid_thread_id (int thread);
|
|
|
|
|
|
|
|
/* Search function to lookup a thread by 'pid'. */
|
2009-05-25 05:06:53 +08:00
|
|
|
extern struct thread_info *find_thread_ptid (ptid_t ptid);
|
2000-01-11 11:07:37 +08:00
|
|
|
|
2008-07-13 00:37:57 +08:00
|
|
|
/* Find thread by GDB user-visible thread number. */
|
|
|
|
struct thread_info *find_thread_id (int num);
|
|
|
|
|
2009-03-31 23:23:57 +08:00
|
|
|
/* Finds the first thread of the inferior given by PID. If PID is -1,
|
|
|
|
returns the first thread in the list. */
|
|
|
|
struct thread_info *first_thread_of_process (int pid);
|
|
|
|
|
gdb/
2009-07-02 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_child_follow_fork): If we're staying attached
to the child process, enable event reporting on it. Don't handle
checkpoints here. Instead, add the child fork to the lwp thread
and inferior lists without clobbering the previous inferior. Let
the thread_db layer learn about a new child process, even if
following the parent.
(linux_nat_switch_fork): Delete lwps of the current inferior only,
instead of clearing the whole list. Use thread_change_ptid to
give the core the illusion the new checkpoint is still the same
inferior. Clear the register cache.
(linux_handle_extended_wait): Handle checkpoints here.
(linux_multi_process): Turn on.
* linux-fork.c (struct fork_info) <pc>: Remove field.
(init_fork_list): Do not delete the checkpoint from the inferior
list (it is not there).
(fork_load_infrun_state): Don't switch inferior_ptid here. Pass
the new checkpoint's ptid to linux_nat_switch_fork.
(fork_save_infrun_state): Make static. Don't stop the pc field of
fork_info, it's gone.
(linux_fork_mourn_inferior): Don't delete the checkpoint from the
inferior list, it's not there.
(linux_fork_detach): Ditto.
(delete_fork_command): Replace mention of fork/checkpoint by
checkpoint only.
(detach_fork_command): Likewise. Don't delete the checkpoint from
the inferior list.
(info_forks_command): Adjust.
(restore_detach_fork): Delete.
(checkpointing_pid): New.
(linux_fork_checkpointing_p): New.
(save_detach_fork): Delete.
(checkpoint_command): Delete temp_detach_fork. Don't remove
breakpoints, that's a nop. Store the pid of the process we're
checkpointing, and use make_cleanup_restore_integer to restore it.
Don't reinsert breakpoints here.
(process_command, fork_command): Delete.
(restart_command): Update comments to only mention checkpoints,
not forks.
(_initialize_linux_fork): Delete "fork", "process", "info forks"
commands.
* linux-fork.h (fork_save_infrun_state, fork_list): Delete
declarations.
(linux_fork_checkpointing_p): Declare.
* cli/cli-cmds.c (killlist): New.
* cli/cli-cmds.h (killlist): Declare.
* gdbcmd.h (killlist): Declare.
* inferior.c: Include "gdbthread.h".
(detach_inferior_command, kill_inferior_command)
(inferior_command): New.
(info_inferiors_command): Allow specifying a specific inferior id.
(_initialize_inferiors): Register "inferior", "kill inferior" and
"detach inferior" commands.
* infcmd.c (_initialize_infcmd): Make "kill" a prefix command.
* gdbthread.h (any_thread_of_process): Declare.
* thread.c (any_thread_of_process): New.
* NEWS: Mention multi-inferior debugging. Mention 'info
inferiors', 'inferior', 'detach inferior' and 'kill inferior' as
new commands.
(Removed commands): New section, mentioning that 'info forks',
'fork', 'process', 'delete fork' and 'detach fork' are now gone.
gdb/testsuite/
2009-07-02 Pedro Alves <pedro@codesourcery.com>
* gdb.base/multi-forks.exp: Only run detach-on-fork tests on
linux. Adjust to use "inferior", "info inferiors", "detach
inferior" and "kill inferior" instead of "restart", "info fork",
"detach fork" and "delete fork".
* gdb.base/ending-run.exp: Spell out "info".
* gdb.base/help.exp: Adjust to use test_prefix_command_help for
the "kill" command.
gdb/doc/
2009-07-02 Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (Debugging multiple inferiors): Document the
"inferior", "detach inferior" and "kill inferior" commands.
(Debugging Programs with Multiple Processes): Adjust to mention
generic "inferior" commands. Delete mention of "detach fork" and
"delete fork". Cross reference to "Debugging multiple inferiors"
section.
2009-07-03 05:57:28 +08:00
|
|
|
/* Returns any thread of process PID. */
|
|
|
|
extern struct thread_info *any_thread_of_process (int pid);
|
|
|
|
|
2009-10-19 Pedro Alves <pedro@codesourcery.com>
Stan Shebs <stan@codesourcery.com>
Add base multi-executable/process support to GDB.
gdb/
* Makefile.in (SFILES): Add progspace.c.
(COMMON_OBS): Add progspace.o.
* progspace.h: New.
* progspace.c: New.
* breakpoint.h (struct bp_target_info) <placed_address_space>: New
field.
(struct bp_location) <pspace>: New field.
(struct breakpoint) <pspace>: New field.
(bpstat_stop_status, breakpoint_here_p)
(moribund_breakpoint_here_p, breakpoint_inserted_here_p)
(regular_breakpoint_inserted_here_p)
(software_breakpoint_inserted_here_p, breakpoint_thread_match)
(set_default_breakpoint): Adjust prototypes.
(remove_breakpoints_pid, breakpoint_program_space_exit): Declare.
(insert_single_step_breakpoint, deprecated_insert_raw_breakpoint):
Adjust prototypes.
* breakpoint.c (executing_startup): Delete.
(default_breakpoint_sspace): New.
(breakpoint_restore_shadows): Skip if the address space doesn't
match.
(update_watchpoint): Record the frame's program space in the
breakpoint location.
(insert_bp_location): Record the address space in target_info.
Adjust to pass the symbol space to solib_name_from_address.
(breakpoint_program_space_exit): New.
(insert_breakpoint_locations): Switch the symbol space and thread
when inserting breakpoints. Don't insert breakpoints in a vfork
parent waiting for vfork done if we're not attached to the vfork
child.
(remove_breakpoints_pid): New.
(reattach_breakpoints): Switch to a thread of PID. Ignore
breakpoints of other symbol spaces.
(create_internal_breakpoint): Store the symbol space in the sal.
(create_longjmp_master_breakpoint): Iterate over all symbol
spaces.
(update_breakpoints_after_exec): Ignore breakpoints for other
symbol spaces.
(remove_breakpoint): Rename to ...
(remove_breakpoint_1): ... this. Pass the breakpoints symbol
space to solib_name_from_address.
(remove_breakpoint): New.
(mark_breakpoints_out): Ignore breakpoints from other symbol
spaces.
(breakpoint_init_inferior): Ditto.
(breakpoint_here_p): Add an address space argument and adjust to
use breakpoint_address_match.
(moribund_breakpoint_here_p): Ditto.
(regular_breakpoint_inserted_here_p): Ditto.
(breakpoint_inserted_here_p): Ditto.
(software_breakpoint_inserted_here_p): Ditto.
(breakpoint_thread_match): Ditto.
(bpstat_check_location): Ditto.
(bpstat_stop_status): Ditto.
(print_breakpoint_location): If there's a location to print,
switch the current symbol space.
(print_one_breakpoint_location): Add `allflag' argument.
(print_one_breakpoint): Ditto. Adjust.
(do_captured_breakpoint_query): Adjust.
(breakpoint_1): Adjust.
(breakpoint_has_pc): Also match the symbol space.
(describe_other_breakpoints): Add a symbol space argument and
adjust.
(set_default_breakpoint): Add a symbol space argument. Set
default_breakpoint_sspace.
(breakpoint_address_match): New.
(check_duplicates_for): Add an address space argument, and adjust.
(set_raw_breakpoint): Record the symbol space in the location and
in the breakpoint.
(set_longjmp_breakpoint): Skip longjmp master breakpoints from
other symbol spaces.
(remove_thread_event_breakpoints, remove_solib_event_breakpoints)
(disable_breakpoints_in_shlibs): Skip breakpoints from other
symbol spaces.
(disable_breakpoints_in_unloaded_shlib): Match symbol spaces.
(create_catchpoint): Set the symbol space in the sal.
(disable_breakpoints_before_startup): Skip breakpoints from other
symbol spaces. Set executing_startup in the current symbol space.
(enable_breakpoints_after_startup): Clear executing_startup in the
current symbol space. Skip breakpoints from other symbol spaces.
(clone_momentary_breakpoint): Also copy the symbol space.
(add_location_to_breakpoint): Set the location's symbol space.
(bp_loc_is_permanent): Switch thread and symbol space.
(create_breakpoint): Adjust.
(expand_line_sal_maybe): Expand comment to mention symbol spaces.
Switch thread and symbol space when reading memory.
(parse_breakpoint_sals): Set the symbol space in the sal.
(break_command_really): Ditto.
(skip_prologue_sal): Switch and space.
(resolve_sal_pc): Ditto.
(watch_command_1): Record the symbol space in the sal.
(create_ada_exception_breakpoint): Adjust.
(clear_command): Adjust. Match symbol spaces.
(update_global_location_list): Use breakpoint_address_match.
(breakpoint_re_set_one): Switch thread and space.
(breakpoint_re_set): Save symbol space.
(breakpoint_re_set_thread): Also reset the symbol space.
(deprecated_insert_raw_breakpoint): Add an address space argument.
Adjust.
(insert_single_step_breakpoint): Ditto.
(single_step_breakpoint_inserted_here_p): Ditto.
(clear_syscall_counts): New.
(_initialize_breakpoint): Install it as inferior_exit observer.
* exec.h: Include "progspace.h".
(exec_bfd, exec_bfd_mtime): New defines.
(exec_close): Declare.
* exec.c: Include "gdbthread.h" and "progspace.h".
(exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete.
(using_exec_ops): New.
(exec_close_1): Rename to exec_close, and make public.
(exec_close): Rename to exec_close_1, and adjust all callers. Add
description. Remove target sections and close executables from
all program spaces.
(exec_file_attach): Add comment.
(add_target_sections): Check on `using_exec_ops' to check if the
target should be pushed.
(remove_target_sections): Only unpush the target if there are no
more target sections in any symbol space.
* gdbcore.h: Include "exec.h".
(exec_bfd, exec_bfd_mtime): Remove declarations.
* frame.h (get_frame_program_space, get_frame_address_space)
(frame_unwind_program_space): Declare.
* frame.c (struct frame_info) <pspace, aspace>: New fields.
(create_sentinel_frame): Add program space argument. Set the
pspace and aspace fields of the frame object.
(get_current_frame, create_new_frame): Adjust.
(get_frame_program_space): New.
(frame_unwind_program_space): New.
(get_frame_address_space): New.
* stack.c (print_frame_info): Adjust.
(print_frame): Use the frame's program space.
* gdbthread.h (any_live_thread_of_process): Declare.
* thread.c (any_live_thread_of_process): New.
(switch_to_thread): Switch the program space as well.
(restore_selected_frame): Don't warn if trying to restore frame
level 0.
* inferior.h: Include "progspace.h".
(detach_fork): Declare.
(struct inferior) <removable, aspace, pspace>
<vfork_parent, vfork_child, pending_detach>
<waiting_for_vfork_done>: New fields.
<terminal_info>: Remove field.
<data, num_data>: New fields.
(register_inferior_data, register_inferior_data_with_cleanup)
(clear_inferior_data, set_inferior_data, inferior_data): Declare.
(exit_inferior, exit_inferior_silent, exit_inferior_num_silent)
(inferior_appeared): Declare.
(find_inferior_pid): Typo.
(find_inferior_id, find_inferior_for_program_space): Declare.
(set_current_inferior, save_current_inferior, prune_inferiors)
(number_of_inferiors): Declare.
(inferior_list): Declare.
* inferior.c: Include "gdbcore.h" and "symfile.h".
(inferior_list): Make public.
(delete_inferior_1): Always delete thread silently.
(find_inferior_id): Make public.
(current_inferior_): New.
(current_inferior): Use it.
(set_current_inferior): New.
(restore_inferior): New.
(save_current_inferior): New.
(free_inferior): Free the per-inferior data.
(add_inferior_silent): Allocate per-inferior data.
Call inferior_appeared.
(delete_threads_of_inferior): New.
(delete_inferior_1): Adjust interface to take an inferior pointer.
(delete_inferior): Adjust.
(delete_inferior_silent): Adjust.
(exit_inferior_1): New.
(exit_inferior): New.
(exit_inferior_silent): New.
(exit_inferior_num_silent): New.
(detach_inferior): Adjust.
(inferior_appeared): New.
(discard_all_inferiors): Adjust.
(find_inferior_id): Make public. Assert pid is not zero.
(find_inferior_for_program_space): New.
(have_inferiors): Check if we have any inferior with pid not zero.
(have_live_inferiors): Go over all pushed targets looking for
process_stratum.
(prune_inferiors): New.
(number_of_inferiors): New.
(print_inferior): Add executable column. Print vfork parent/child
relationships.
(inferior_command): Adjust to cope with not running inferiors.
(remove_inferior_command): New.
(add_inferior_command): New.
(clone_inferior_command): New.
(struct inferior_data): New.
(struct inferior_data_registration): New.
(struct inferior_data_registry): New.
(inferior_data_registry): New.
(register_inferior_data_with_cleanup): New.
(register_inferior_data): New.
(inferior_alloc_data): New.
(inferior_free_data): New.
(clear_inferior_data): New.
(set_inferior_data): New.
(inferior_data): New.
(initialize_inferiors): New.
(_initialize_inferiors): Register "add-inferior",
"remove-inferior" and "clone-inferior" commands.
* objfiles.h: Include "progspace.h".
(struct objfile) <pspace>: New field.
(symfile_objfile, object_files): Don't declare.
(ALL_PSPACE_OBJFILES): New.
(ALL_PSPACE_OBJFILES_SAFE): New.
(ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust.
(ALL_PSPACE_SYMTABS): New.
(ALL_PRIMARY_SYMTABS): Adjust.
(ALL_PSPACE_PRIMARY_SYMTABS): New.
(ALL_PSYMTABS): Adjust.
(ALL_PSPACE_PSYMTABS): New.
* objfiles.c (object_files, symfile_objfile): Delete.
(struct objfile_sspace_info): New.
(objfiles_pspace_data): New.
(objfiles_pspace_data_cleanup): New.
(get_objfile_pspace_data): New.
(objfiles_changed_p): Delete.
(allocate_objfile): Set the objfile's program space. Adjust to
reference objfiles_changed_p in pspace data.
(free_objfile): Adjust to reference objfiles_changed_p in pspace
data.
(objfile_relocate): Ditto.
(update_section_map): Add pspace argument. Adjust to iterate over
objfiles in the passed in pspace.
(find_pc_section): Delete sections and num_sections statics.
Adjust to refer to program space's objfiles_changed_p. Adjust to
refer to sections and num_sections store in the objfile's pspace
data.
(objfiles_changed): Adjust to reference objfiles_changed_p in
pspace data.
(_initialize_objfiles): New.
* linespec.c (decode_all_digits, decode_dollar): Set the sal's
program space.
* source.c (current_source_pspace): New.
(get_current_source_symtab_and_line): Set the sal's program space.
(set_current_source_symtab_and_line): Set current_source_pspace.
(select_source_symtab): Ditto. Use ALL_OBJFILES.
(forget_cached_source_info): Iterate over all program spaces.
* symfile.c (clear_symtab_users): Adjust.
* symmisc.c (print_symbol_bcache_statistics): Iterate over all
program spaces.
(print_objfile_statistics): Ditto.
(maintenance_print_msymbols): Ditto.
(maintenance_print_objfiles): Ditto.
(maintenance_info_symtabs): Ditto.
(maintenance_info_psymtabs): Ditto.
* symtab.h (SYMTAB_PSPACE): New.
(struct symtab_and_line) <pspace>: New field.
* symtab.c (init_sal): Clear the sal's program space.
(find_pc_sect_symtab): Set the sal's program space. Switch thread
and space.
(append_expanded_sal): Add program space argument. Iterate over
all program spaces.
(expand_line_sal): Iterate over all program spaces. Switch
program space.
* target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New.
(struct target_ops) <to_thread_address_space>: New field.
(target_thread_address_space): Define.
* target.c (target_detach): Only remove breakpoints from the
inferior we're detaching.
(target_thread_address_space): New.
* defs.h (initialize_progspace): Declare.
* top.c (gdb_init): Call it.
* solist.h (struct so_list) <sspace>: New field.
* solib.h (struct program_space): Forward declare.
(solib_name_from_address): Adjust prototype.
* solib.c (so_list_head): Replace with a macro referencing the
program space.
(update_solib_list): Set the so's program space.
(solib_name_from_address): Add a program space argument and adjust.
* solib-svr4.c (struct svr4_info) <pid>: Delete field.
<interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low>
<interp_plt_sect_high>: New fields.
(svr4_info_p, svr4_info): Delete.
(solib_svr4_sspace_data): New.
(get_svr4_info): Rewrite.
(svr4_sspace_data_cleanup): New.
(open_symbol_file_object): Adjust.
(svr4_default_sos): Adjust.
(svr4_fetch_objfile_link_map): Adjust.
(interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low)
(interp_plt_sect_high): Delete.
(svr4_in_dynsym_resolve_code): Adjust.
(enable_break): Adjust.
(svr4_clear_solib): Revert bit that removed the svr4_info here,
and reinstate clearing debug_base, debug_loader_offset_p,
debug_loader_offset and debug_loader_name.
(_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't
install an inferior_exit observer anymore.
* printcmd.c (struct display) <pspace>: New field.
(display_command): Set the display's sspace.
(do_one_display): Match the display's sspace.
(display_uses_solib_p): Ditto.
* linux-fork.c (detach_fork): Moved to infrun.c.
(_initialize_linux_fork): Moved "detach-on-fork" command to
infrun.c.
* infrun.c (detach_fork): Moved from linux-fork.c.
(proceed_after_vfork_done): New.
(handle_vfork_child_exec_or_exit): New.
(follow_exec_mode_replace, follow_exec_mode_keep)
(follow_exec_mode_names, follow_exec_mode_string)
(show_follow_exec_mode_string): New.
(follow_exec): New. Reinstate the mark_breakpoints_out call.
Remove shared libraries before attaching new executable. If user
wants to keep the inferior, keep it.
(displaced_step_fixup): Adjust to pass an address space to the
breakpoints module.
(resume): Ditto.
(clear_proceed_status): In all-stop mode, always clear the proceed
status of all threads.
(prepare_to_proceed): Adjust to pass an address space to the
breakpoints module.
(proceed): Ditto.
(adjust_pc_after_break): Ditto.
(handle_inferior_event): When handling a process exit, switch the
program space to the inferior's that had exited. Call
handle_vfork_child_exec_or_exit. Adjust to pass an address space
to the breakpoints module. In non-stop mode, when following a
fork and detach-fork is off, also resume the other branch. Handle
TARGET_WAITKIND_VFORK_DONE. Set the program space in sals.
(normal_stop): Prune inferiors.
(_initialize_infrun): Install the new "follow-exec-mode" command.
"detach-on-fork" moved here.
* regcache.h (get_regcache_aspace): Declare.
* regcache.c (struct regcache) <aspace>: New field.
(regcache_xmalloc): Clear the aspace.
(get_regcache_aspace): New.
(regcache_cpy): Copy the aspace field.
(regcache_cpy_no_passthrough): Ditto.
(get_thread_regcache): Fetch the thread's address space from the
target, and store it in the regcache.
* infcall.c (call_function_by_hand): Set the sal's pspace.
* arch-utils.c (default_has_shared_address_space): New.
* arch-utils.h (default_has_shared_address_space): Declare.
* gdbarch.sh (has_shared_address_space): New.
* gdbarch.h, gdbarch.c: Regenerate.
* linux-tdep.c: Include auxv.h, target.h, elf/common.h.
(linux_has_shared_address_space): New.
(_initialize_linux_tdep): Declare.
* arm-tdep.c (arm_software_single_step): Pass the frame's address
space to insert_single_step_breakpoint.
* arm-linux-tdep.c (arm_linux_software_single_step): Pass the
frame's pspace to breakpoint functions.
* cris-tdep.c (crisv32_single_step_through_delay): Ditto.
(cris_software_single_step): Ditto.
* mips-tdep.c (deal_with_atomic_sequence): Add frame argument.
Pass the frame's pspace to breakpoint functions.
(mips_software_single_step): Adjust.
(mips_single_step_through_delay): Adjust.
* rs6000-aix-tdep.c (rs6000_software_single_step): Adjust.
* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust.
* solib-irix.c (enable_break): Adjust to pass the current frame's
address space to breakpoint functions.
* sparc-tdep.c (sparc_software_single_step): Ditto.
* spu-tdep.c (spu_software_single_step): Ditto.
* alpha-tdep.c (alpha_software_single_step): Ditto.
* record.c (record_wait): Adjust to pass an address space to the
breakpoints module.
* fork-child.c (fork_inferior): Set the new inferior's program and
address spaces.
* inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program
and address spaces.
(inf_ptrace_attach): Set the inferior's program and address spaces.
* linux-nat.c: Include "solib.h".
(linux_child_follow_fork): Manage parent and child's program and
address spaces. Clone the parent's program space if necessary.
Don't wait for the vfork to be done here. Refuse to resume if
following the vfork parent while leaving the child stopped.
(resume_callback): Don't resume a vfork parent.
(linux_nat_resume): Also check for pending events in the
lp->waitstatus field.
(linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE
events to the core.
(stop_wait_callback): Don't wait for SIGSTOP on vfork parents.
(cancel_breakpoint): Adjust.
* linux-thread-db.c (thread_db_wait): Don't remove thread event
breakpoints here.
(thread_db_mourn_inferior): Don't mark breakpoints out here.
Remove thread event breakpoints after mourning.
* corelow.c: Include progspace.h.
(core_open): Set the inferior's program and address spaces.
* remote.c (remote_add_inferior): Set the new inferior's program
and address spaces.
(remote_start_remote): Update address spaces.
(extended_remote_create_inferior_1): Don't init the thread list if
we already debugging other inferiors.
* darwin-nat.c (darwin_attach): Set the new inferior's program and
address spaces.
* gnu-nat.c (gnu_attach): Ditto.
* go32-nat.c (go32_create_inferior): Ditto.
* inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto.
* monitor.c (monitor_open): Ditto.
* nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto.
* procfs.c (do_attach): Ditto.
* windows-nat.c (do_initial_windows_stuff): Ditto.
* inflow.c (inferior_process_group)
(terminal_init_inferior_with_pgrp, terminal_inferior,
(terminal_ours_1, inflow_inferior_exit, copy_terminal_info)
(child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust
to use per-inferior data instead of inferior->terminal_info.
(inflow_inferior_data): New.
(inflow_new_inferior): Delete.
(inflow_inferior_data_cleanup): New.
(get_inflow_inferior_data): New.
* mi/mi-interp.c (mi_new_inferior): Rename to...
(mi_inferior_appeared): ... this.
(mi_interpreter_init): Adjust.
* tui/tui-disasm.c: Include "progspace.h".
(tui_set_disassem_content): Pass an address space to
breakpoint_here_p.
* NEWS: Mention multi-program debugging support. Mention new
commands "add-inferior", "clone-inferior", "remove-inferior",
"maint info program-spaces", and new option "set
follow-exec-mode".
2009-10-19 Pedro Alves <pedro@codesourcery.com>
Stan Shebs <stan@codesourcery.com>
gdb/doc/
* observer.texi (new_inferior): Rename to...
(inferior_appeared): ... this.
2009-10-19 Pedro Alves <pedro@codesourcery.com>
Stan Shebs <stan@codesourcery.com>
gdb/testsuite/
* gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork".
* gdb.base/foll-exec.exp: Adjust to expect a process id before
"Executing new program".
* gdb.base/foll-fork.exp: Adjust to spell out "follow-fork".
* gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being
left listed after having been killed.
* gdb.base/attach.exp: Adjust to spell out "symbol-file".
* gdb.base/maint.exp: Adjust test.
* Makefile.in (ALL_SUBDIRS): Add gdb.multi.
* gdb.multi/Makefile.in: New.
* gdb.multi/base.exp: New.
* gdb.multi/goodbye.c: New.
* gdb.multi/hangout.c: New.
* gdb.multi/hello.c: New.
* gdb.multi/bkpt-multi-exec.c: New.
* gdb.multi/bkpt-multi-exec.exp: New.
* gdb.multi/crashme.c: New.
2009-10-19 Pedro Alves <pedro@codesourcery.com>
Stan Shebs <stan@codesourcery.com>
gdb/doc/
* gdb.texinfo (Inferiors): Rename node to ...
(Inferiors and Programs): ... this. Mention running multiple
programs in the same debug session.
<info inferiors>: Mention the new 'Executable' column if "info
inferiors". Update examples. Document the "add-inferior",
"clone-inferior", "remove-inferior" and "maint info
program-spaces" commands.
(Process): Rename node to...
(Forks): ... this. Document "set|show follow-exec-mode".
2009-10-19 17:51:43 +08:00
|
|
|
/* Returns any non-exited thread of process PID, giving preference for
|
|
|
|
already stopped threads. */
|
|
|
|
extern struct thread_info *any_live_thread_of_process (int pid);
|
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|
|
|
2008-08-19 06:35:17 +08:00
|
|
|
/* Change the ptid of thread OLD_PTID to NEW_PTID. */
|
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|
|
void thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid);
|
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|
|
2000-01-11 11:07:37 +08:00
|
|
|
/* Iterator function to call a user-provided callback function
|
|
|
|
once for each known thread. */
|
|
|
|
typedef int (*thread_callback_func) (struct thread_info *, void *);
|
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|
extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
|
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|
|
2008-06-28 17:42:15 +08:00
|
|
|
extern int thread_count (void);
|
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|
|
2007-09-11 02:49:26 +08:00
|
|
|
/* Switch from one thread to another. */
|
|
|
|
extern void switch_to_thread (ptid_t ptid);
|
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|
|
2008-06-10 18:23:54 +08:00
|
|
|
/* Marks thread PTID is running, or stopped.
|
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|
|
If PIDGET (PTID) is -1, marks all threads. */
|
|
|
|
extern void set_running (ptid_t ptid, int running);
|
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|
|
2008-10-24 07:11:21 +08:00
|
|
|
/* Marks or clears thread(s) PTID as having been requested to stop.
|
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|
|
If PTID is MINUS_ONE_PTID, applies to all threads. If
|
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|
ptid_is_pid(PTID) is true, applies to all threads of the process
|
|
|
|
pointed at by PTID. If STOP, then the THREAD_STOP_REQUESTED
|
|
|
|
observer is called with PTID as argument. */
|
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|
|
extern void set_stop_requested (ptid_t ptid, int stop);
|
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|
|
2008-08-17 07:51:14 +08:00
|
|
|
/* NOTE: Since the thread state is not a boolean, most times, you do
|
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|
|
not want to check it with negation. If you really want to check if
|
|
|
|
the thread is stopped,
|
2008-06-10 18:23:54 +08:00
|
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|
|
2008-08-17 07:51:14 +08:00
|
|
|
use (good):
|
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|
|
|
|
|
|
if (is_stopped (ptid))
|
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|
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|
|
instead of (bad):
|
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|
|
|
|
if (!is_running (ptid))
|
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|
|
The latter also returns true on exited threads, most likelly not
|
|
|
|
what you want. */
|
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|
|
/* Reports if in the frontend's perpective, thread PTID is running. */
|
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|
|
extern int is_running (ptid_t ptid);
|
2008-07-10 06:16:15 +08:00
|
|
|
|
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 19:07:39 +08:00
|
|
|
/* Is this thread listed, but known to have exited? We keep it listed
|
|
|
|
(but not visible) until it's safe to delete. */
|
|
|
|
extern int is_exited (ptid_t ptid);
|
|
|
|
|
2008-08-17 07:51:14 +08:00
|
|
|
/* In the frontend's perpective, is this thread stopped? */
|
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 19:07:39 +08:00
|
|
|
extern int is_stopped (ptid_t ptid);
|
|
|
|
|
2008-08-17 07:51:14 +08:00
|
|
|
/* In the frontend's perpective is there any thread running? */
|
|
|
|
extern int any_running (void);
|
|
|
|
|
|
|
|
/* Marks thread PTID as executing, or not. If PIDGET (PTID) is -1,
|
|
|
|
marks all threads.
|
|
|
|
|
|
|
|
Note that this is different from the running state. See the
|
|
|
|
description of state_ and executing_ fields of struct
|
|
|
|
thread_info. */
|
2008-07-10 06:16:15 +08:00
|
|
|
extern void set_executing (ptid_t ptid, int executing);
|
|
|
|
|
|
|
|
/* Reports if thread PTID is executing. */
|
|
|
|
extern int is_executing (ptid_t ptid);
|
|
|
|
|
2009-01-19 01:42:16 +08:00
|
|
|
/* Merge the executing property of thread PTID over to its thread
|
|
|
|
state property (frontend running/stopped view).
|
|
|
|
|
|
|
|
"not executing" -> "stopped"
|
|
|
|
"executing" -> "running"
|
|
|
|
"exited" -> "exited"
|
|
|
|
|
|
|
|
If PIDGET (PTID) is -1, go over all threads.
|
|
|
|
|
|
|
|
Notifications are only emitted if the thread state did change. */
|
|
|
|
extern void finish_thread_state (ptid_t ptid);
|
|
|
|
|
|
|
|
/* Same as FINISH_THREAD_STATE, but with an interface suitable to be
|
|
|
|
registered as a cleanup. PTID_P points to the ptid_t that is
|
|
|
|
passed to FINISH_THREAD_STATE. */
|
|
|
|
extern void finish_thread_state_cleanup (void *ptid_p);
|
|
|
|
|
1999-04-16 09:35:26 +08:00
|
|
|
/* Commands with a prefix of `thread'. */
|
|
|
|
extern struct cmd_list_element *thread_cmd_list;
|
|
|
|
|
2008-01-23 19:26:29 +08:00
|
|
|
/* Print notices on thread events (attach, detach, etc.), set with
|
|
|
|
`set print thread-events'. */
|
|
|
|
extern int print_thread_events;
|
|
|
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2008-11-17 20:13:49 +08:00
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extern void print_thread_info (struct ui_out *uiout, int thread,
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int pid);
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2008-03-15 21:53:25 +08:00
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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 19:07:39 +08:00
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extern struct cleanup *make_cleanup_restore_current_thread (void);
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2008-03-23 17:53:52 +08:00
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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.
2008-09-09 05:40:39 +08:00
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/* Returns a pointer into the thread_info corresponding to
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INFERIOR_PTID. INFERIOR_PTID *must* be in the thread list. */
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extern struct thread_info* inferior_thread (void);
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2008-03-23 17:53:52 +08:00
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Implement core awareness.
* bcache.c (compare_ints): Remove
(print_percentage): Use compare_positive_ints.
* defs.h (compare_positive_ints): Declare.
* linux-nat.h (struct lin_lwp): New field core.
(linux_nat_core_of_thread_1): Declare.
* linux-nat.c (add_lwp): Init the 'core' field.
(linux_nat_wait_1): Record the core.
(linux_nat_core_of_thread_1, linux_nat_core_of_thread): New.
(linux_nat_add_target): Register the above.
* linux-thread-db.c (update_thread_core): New.
(thread_db_find_new_threads): Update core information for
every thread.
* remote.c (struct private_thread_info): New.
(free_private_thread_info, demand_private_info): New.
(PACKET_qXfer_threads, use_osdata_threads): New.
(struct thread_item, threads_parsing_context
(start_thread, end_thread, thread_attributes)
(thread_children, threads_children, threads_elements): New.
(remote_threads_info): Try qXfer:threads before anything
else.
(remote_protocol_packets): Register qXfer:threads.
(remote_open_1): Init use_osdata_threads.
(struct stop_reply): New field 'core'.
(remote_parse_stop_reply): Parse core number.
(process_stop_reply): Record core number.
(remote_xfer_partial): Handle qXfer:threads.
(remote_core_of_thread): New.
(init_remote_ops): Register remote_core_of_thread.
(_initialize_remote): Register qXfer:read.
* target.c (target_core_of_thread): New
* target.h (enum target_object): New value TARGET_OBJECT_THREADS.
(struct target_ops): New field to_core_of_threads.
(target_core_of_thread): Declare.
* gdbthread.h (struct thread_info): New field private_dtor.
* thread.c (print_thread_info): Report the core.
* ui-out.c (MAX_UI_OUT_LEVELS): Increase.
* utils.c (compare_positive_ints): New.
* features/threads.dtd: New.
* mi/mi-interp.c (mi_on_normal_stop): Report the core.
* mi/mi-main.c (struct collect_cores_data, collect_cores)
(do_nothing, free_vector_of_osdata_items)
(splay_tree_int_comparator, free_splay_tree): New.
(print_one_inferior_data): Implemented printing of selected
inferiors. Collect and print cores.
(output_cores): New.
(mi_cmd_list_thread_groups): Support --recurse. Permit specifying
thread groups together with --available.
2010-01-13 05:40:25 +08:00
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extern void update_thread_list (void);
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1999-07-08 04:19:36 +08:00
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#endif /* GDBTHREAD_H */
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