Silence a few -Wmissing-prototypes warnings.
PR build/9877:
* amd64-nat.c: Include "amd64-nat.h".
* fork-child.c (_initialize_fork_child): Ditto.
* gcore.c (_initialize_gcore): Ditto.
* inf-ptrace.c: Include "inf-ptrace.h".
(inf_ptrace_store_registers): Make it static.
* linux-nat.c (linux_nat_terminal_ours): Make it static.
(_initialize_linux_nat): Declare before definition.
* linux-tdep.c: Include "linux-tdep.h".
* linux-thread-db.c (_initialize_thread_db): Declare before
definition.
* proc-service.c (_initialize_proc_service): Ditto.
* remote.c (remote_send_printf): Make it static.
* solib.c: Include "solib.h".
* symfile-mem.c (_initialize_symfile_mem): Declare before
definition.
* ada-lang.c (ada_la_decode, ada_match_name)
(ada_suppress_symbol_printing, ada_is_array_type)
(ada_value_ptr_subscript, ada_array_length)
(ada_to_static_fixed_value): Make them static.
(_initialize_ada_language): Declare before definition.
* ada-tasks.c (ada_get_task_number, ada_get_environment_task)
(ada_task_list_changed, ada_new_objfile_observer): Make them
static.
(_initialize_tasks): Declare before definition.
* addrmap.c (_initialize_addrmap): Declare before definition.
* auxv.c (default_auxv_parse): Make it static.
* bfd-target.c (target_bfd_xfer_partial, target_bfd_xclose): Make
them static.
* breakpoint.c (remove_sal): Add line break.
(expand_line_sal_maybe): Make it static.
* cp-name-parser.y: Include "cp-support.h".
* cp-valprint.c (cp_find_class_member): Make it static.
* eval.c (value_f90_subarray): Ditto.
* exceptions.c (print_any_exception): Ditto.
* findcmd.c (_initialize_mem_search): Declare before definition.
* frame.c (frame_observer_target_changed): Make it static.
* gnu-v3-abi.c (gnuv3_find_method_in): Make it static.
* inf-child.c: Include "inf-child.h".
* inferior.h (valid_inferior_id): Rename to ...
(valid_gdb_inferior_id): ... this.
* infrun.c (infrun_thread_stop_requested, siginfo_make_value):
Make them static.
* jv-lang.c (java_language_arch_info): Make it static.
* m2-typeprint.c (m2_get_discrete_bounds): Ditto.
* osdata.c (info_osdata_command): Make it static.
* regcache.c (regcache_observer_target_changed): Make it static.
* reverse.c (_initialize_reverse): Declare before definition.
* stabsread.c (cleanup_undefined_types_noname)
(cleanup_undefined_types_1): Make them static.
* symfile.c (place_section): Make it static.
* symtab.c (find_pc_sect_psymtab_closer): Make it static.
* target-descriptions.c (_initialize_target_descriptions): Declare
before definition.
* target.c (default_get_ada_task_ptid, find_default_can_async_p)
(find_default_is_async_p, find_default_supports_non_stop): Make
them static.
(target_supports_non_stop): Add prototype.
(dummy_pid_to_str): Make it static.
* utils.c (_initialize_utils): Declare before definition.
* ada-exp.y (_initialize_ada_exp): Declare before definition.
* solib-svr4.c (HAS_LM_DYNAMIC_FROM_LINK_MAP): Add a prototype.
* target.h (struct target_ops): Add a prototype to the
to_can_execute_reverse callback.
* macroscope.c (_initialize_macroscope): Declare before definition.
* cp-namespace.c (_initialize_cp_namespace): Declare before definition.
* python/python.c (_initialize_python): Declare before definition.
* tui/tui-command.c: Include "tui/tui-command.h".
* tui/tui-data.c (init_content_element, init_win_info): Make them
static.
* tui/tui-disasm.c: Include "tui/tui-disasm.h".
* tui/tui-interp.c (_initialize_tui_interp): Declare before
definition.
* tui/tui-layout.c: Include "tui/tui-layout.h".
(_initialize_tui_layout): Declare before definition.
* tui/tui-regs.c: Include "tui/tui-regs.h".
(tui_display_reg_element_at_line): Make it static.
(_initialize_tui_regs): Declare before definition.
* tui/tui-stack.c (_initialize_tui_stack): Declare before
definition.
* tui/tui-win.c: Include "tui/tui-win.h".
(_initialize_tui_win): Declare before definition.
(tui_sigwinch_handler): Make it static. Wrap in ifdef SIGWINCH.
* tui/tui-win.h (tui_sigwinch_handler): Delete declaration.
(tui_get_cmd_list): Add a prototype.
* tui/tui-windata.c: Include tui-windata.h.
* tui/tui-wingeneral.c (box_win): Make it static.
* cli/cli-logging.c (show_logging_command): Make it static.
(_initialize_cli_logging): Declare before definition.
* mi/mi-common.c (_initialize_gdb_mi_common): Declare before
definition.
parent to the child.
* inf-ttrace.c (inf_ttrace_follow_fork): Likewise.
* inf-ptrace.c (inf_ptrace_follow_fork): Likewise. Use
remove_breakpoints to remove breakpoints from the parent.
attribute in GLIBC 2.8.
* cli/cli-cmds.c (pwd_command): Check return value from getcwd.
* inflow.c (check_syscall): New function.
(new_tty): Use check_syscall to check return values from open and dup.
* linux-nat.c (linux_nat_info_proc_cmd): Check return value from fgets.
* main.c (captured_main): Call cwd after setting up gdb_stderr;
check for errors from getcwd.
* mi/mi-cmd-env.c (mi_cmd_env_pwd): Check return value from getcwd.
* ui-file.c (stdio_file_write): Ignore return value from fwrite.
(stdio_file_fputs): Same.
* utils.c (internal_vproblem): abort if last-ditch error message
write fails.
* linux-fork.h (linux_fork_detach): Declare.
* linux-nat.c (linux_child_follow_fork): When following the fork
child, add the child inferior before possibly detaching from the
parent. Don't reinstall ourselves.
(linux_nat_detach): Call linux_fork_detach if there are other
forks to debug.
* linux-thread-db.c (thread_db_detach): Don't call
target_mourn_inferior. Instead inline the necessary bits.
* inf-ptrace.c (inf_ptrace_detach): Don't unpush the target if
there are other inferiors to debug.
and not detaching the parent, also add the child fork to the fork
list.
* linux-fork.c (linux_fork_context): Remove dead error call.
Assert that the incoming newfp argument is not null. Do not add a
new fork for inferior_ptid. Assert that there is one already.
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* defs.h: Mention ptid_is_pid.
* inferior.h (ptid_is_pid): Declare.
* gdbthread.h (struct thread_info) <stop_requested>: New field.
(set_stop_requested): Declare.
* infcmd.c (interrupt_target_1): Call set_stop_requested.
* infrun.c (clear_proceed_status): Clear stop_requested.
(infrun_thread_stop_requested_callback,
infrun_thread_stop_requested): New.
(handle_inferior_event): If a TARGET_SIGNAL_TRAP is reported on a
thread that had an explicit stop request, pretend we got a
TARGET_SIGNAL_0. Always stop if the thread had an explicit stop
request.
(print_stop_reason): In the SIGNAL_RECEIVED case, if we're not
outputting to MI, and we got a TARGET_SIGNAL_0, print "# Stopped",
instead of mentioning signal 0.
(ptid_is_pid): New.
* thread.c (set_stop_requested): New.
* linux-nat.c (queued_waitpid): Rename to ...
(queued_waitpid_1): ... this. Add `peek' argument. Handle it.
(queued_waitpid): New, as wrapper to queued_waitpid_1.
(push_waitpid): Push the SIGTRAP to the local event queue, to the
kernel's.
(send_sigint_callback): Delete.
(linux_nat_stop_lwp): New.
(linux_nat_stop): Use it.
gdb/doc/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* observer.texi (thread_stop_requested): New.
gdb/testsuite/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* lib/mi-support.exp (mi_expect_interrupt): Expect signal 0
instead of SIGINT.
(gnu_detach): Remove it.
* go32-nat.c (go32_create_inferior): Add process to gdb's inferior
table.
* inf-ptrace.c (inf_ptrace_follow_fork): Delete and add inferiors
to inferior table accordingly.
(inf_ptrace_attach): Add new process to inferior table.
(inf_ptrace_detach): Remove it.
* inf-ttrace.c (inf_ttrace_follow_fork): Delete and add inferiors
to inferior table accordingly.
(inf_ttrace_attach): Add process to inferior table.
(inf_ttrace_detach): Remove it.
* linux-fork.c (init_fork_list): Delete any left over inferior.
(linux_fork_mourn_inferior, detach_fork_command): Also delete
processes from inferior list.
* monitor.c (monitor_open): Add process to inferior list.
(monitor_close): Remove it.
* nto-procfs.c (procfs_attach): Add process to inferior list.
Find threads after pushing the target.
(procfs_detach): Remove process from inferior list.
(procfs_create_inferior): Add process to inferior list.
* procfs.c (procfs_detach): Remove process from inferior list.
(do_attach): Add process to inferior list.
* remote-sim.c (sim_create_inferior): Add process to inferior list.
(gdbsim_close): Remove it.
* target.c (generic_mourn_inferior): If inferior_ptid is not
null_ptid, remove the corresponding inferior from inferior list.
* win32-nat.c (do_initial_win32_stuff): Add process to inferior list.
(win32_detach): Remove it.
* linux-nat.c (linux_child_follow_fork): Delete and add inferiors
to inferior list accordingly.
* fork-child.c (fork_inferior): Add process to inferior list.
* corelow.c (CORELOW_PID): Define.
(core_close): Remove core from inferior list.
(core_open): Add it.
* linux-nat.c (linux_nat_wait): Only use set_ignore_sigint in
all-stop mode.
gdb/testsuite/
* lib/mi-support.exp (mi_expect_interrupt): New.
(mi_reverse_list, mi_check_thread_states): New, moved and renamed
from gdb.mi/mi-nonstop.exp.
* gdb.mi/mi-nsintrall.exp, gdb.mi/nsintrall.c: New.
* gdb.mi/mi-nonstop.exp (myreverse, check_thread_states): Moved to
lib/mi-support.exp.
Use mi_check_thread_states throughout. Avoid ".*" and do not
require an anchor after -exec-run.
(inf_ptrace_attach): Add the main thread here.
* linux-nat.c (linux_nat_attach): Don't add the main thread here.
Decorate the main thread id with the lwp id.
(linux_nat_has_pending_sigint): New function, based on
linux_nat_has_pending.
(set_ignore_sigint, maybe_clear_ignore_sigint): New functions.
(stop_wait_callback): Remove flush_mask handling. Honor
ignore_sigint. Call maybe_clear_ignore_sigint. Pass NULL
to recursive calls.
(linux_nat_has_pending, flush_callback): Remove.
(linux_nat_filter_event): Check for ignore_sigint.
(linux_nat_wait): Remove flush_mask support and call to
flush_callback. Use set_ignore_sigint and maybe_clear_ignore_sigint.
* linux-nat.h (struct lwp_info): Add ignore_sigint field.
* gdb.threads/manythreads.exp: Use remote_expect instead of after.
Add a test for duplicated SIGINTs.
report events from resumed threads.
* gdb.threads/schedlock.exp (get_args): Update to work for any
value of NUM.
(Top level): Report the number of threads that did not resume.
* 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).
* linux-nat.c (linux_test_for_tracefork): Block events while we're
here.
(get_pending_status): Implement non-stop mode.
(linux_nat_detach): Stop threads before detaching.
(linux_nat_resume): In non-stop mode, always resume only a single
PTID.
(linux_handle_extended_wait): On a clone event, in non-stop mode,
add new lwp to GDB's thread table, and mark as running, executing
and stopped appropriately.
(linux_nat_filter_event): Don't assume there are other running
threads when a thread exits.
(linux_nat_wait): Mark the main thread as running and executing.
In non-stop mode, don't stop all lwps.
(linux_nat_kill): Stop lwps before killing them.
(linux_nat_thread_alive): Use signal 0 to detect if a thread is
alive.
(send_sigint_callback): New.
(linux_nat_stop): New.
(linux_nat_add_target): Set to_stop to linux_nat_stop.
* linux-nat.h (thread_db_attach_lwp): Declare.
* linux-thread-db.c (thread_get_info_callback): Check for new
threads if we have none.
(thread_from_lwp, enable_thread_event): Set proc_handle.pid to the
stopped lwp. Check for new threads if we have none.
(thread_db_attach_lwp): New.
(thread_db_init): Set proc_handle.pid to inferior_ptid.
(check_event): Set proc_handle.pid to the stopped lwp.
(thread_db_find_new_threads): Set proc_handle.pid to any stopped
lwp available, bail out if there is none.
* linux-fork.c (linux_fork_killall): Use SIGKILL instead of
PTRACE_KILL.
* target.h (struct target_waitstatus): Store related_pid as a ptid.
(inferior_has_forked, inferior_has_vforked, inferior_has_execd):
Take a ptid_t.
* breakpoint.h (struct breakpoint): Change forked_inferior_pid
type to ptid.
* breakpoint.c (print_it_typical, bpstat_check_location)
(print_one_breakpoint_location, set_raw_breakpoint_without_location)
(create_fork_vfork_event_catchpoint): Adjust.
* infrun.c (fork_event): Change parent_pid and child_pid types to
ptid.
(follow_exec, inferior_has_forked, inferior_has_vforked)
(inferior_has_execd): Take a ptid_t and don't trim it.
* linux-thread-db.c (thread_db_wait): Don't trim the returned ptid.
* linux-nat.c (linux_child_follow_fork): Adjust.
* inf-ptrace.c (inf_ptrace_wait): Adjust.
* inf-ttrace.c (inf_ttrace_wait): Adjust.
* win32-nat.c (get_win32_debug_event): Don't set related_pid.
* inferior.h (target_executing): Delete.
* gdbthread.h (struct thread_info): Add executing_ field.
(set_executing, is_executing): New.
* thread.c (main_thread_executing): New.
(init_thread_list): Clear it and also main_thread_running.
(is_running): Return false if target has no execution.
(any_running, is_executing, set_executing): New.
* top.c: Include "gdbthread.h".
(target_executing): Delete.
(execute_command): Replace target_executing check by any_running.
* event-top.c: Include "gdbthread.h".
(display_gdb_prompt, command_handler): Replace target_executing by
is_running.
* inf-loop.c: Include "gdbthread.h". Don't mark as not executing
here. Replace target_executing by is_running.
* infrun.c (handle_inferior_event): Mark all threads as
not-executing.
* linux-nat.c (linux_nat_resume): Don't mark thread as executing
here.
* stack.c (get_selected_block): Return null if inferior is
executing.
* target.c (target_resume): Mark resumed ptid as executing.
* breakpoint.c (until_break_command): Replace target_executing
check by is_executing.
* remote.c (remote_async_resume): Don't mark inferior as executing
here.
* mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing
by any_running.
* mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute)
(mi_execute_async_cli_command): Replace target_executing by
is_running.
* frame.c (get_current_frame): Error out if the current thread is
executing.
(has_stack_frames): New.
(get_selected_frame, deprecated_safe_get_selected_frame): Check
has_stack_frames.
* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
$(gdbthread_h).
core_regset_sections.
* gdbarch.c: Refreshed.
* gdbarch.h: Refreshed.
* regset.h (core_regset_section): Declared.
* linux-nat.c (linux_nat_do_thread_registers): Added
support for the new gdbarch struct core_regset_sections.
* utils.c (host_address_to_string): New function.
* defs.h (host_address_to_string): New prototype.
* i386-linux-tdep.c (i386_regset_rections): New register
sections list for i386.
(i386_linux_init_abi): Initialized new gdbarch struct
core_regset_sections.
* Makefile.in: Updated to reflect dependency changes.
* ppc-linux-tdep.c (ppc_regset_sections): Register
sections list for ppc.
(ppc_linux_init_abi): Initialized new gdbarch struct
core_regset_sections
Pedro Alves <pedro@codesourcery.com>
Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff
Johnston <jjohnstn@redhat.com>.
* NEWS: Mention attach to stopped process fix.
* infcmd.c (detach_command, disconnect_command): Discard the thread
list.
* infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while
attaching. Use signal_stop_state.
(signal_stop_state): Check stop_soon.
* linux-nat.c (kill_lwp): Declare earlier.
(pid_is_stopped, linux_nat_post_attach_wait): New.
(lin_lwp_attach_lwp): Use linux_nat_post_attach_wait. Update
comments.
(linux_nat_attach): Use linux_nat_post_attach_wait.
(detach_callback, linux_nat_detach): Improve handling for signalled
processes.
(linux_nat_pid_to_str): Always print out the LWP ID if it differs
from the process ID.
* Makefile.in (infcmd.o): Update.
2008-05-01 Jan Kratochvil <jan.kratochvil@redhat.com>
Daniel Jacobowitz <dan@codesourcery.com>
* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp,
gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.
gdb's thread list.
(linux_nat_wait): Add main lwp to gdb's thread list.
* linux-thread-db.c (find_new_threads_callback): Also attach to
already listed threads which thread_db didn't know about yet.
* linux-nat.c (drain_queued_events): Fix comment typo.
(linux_nat_attach): In async mode, don't rely on storing a pending
status. Instead place the wait status on the pipe.
(linux_nat_resume): Remove unreacheable shortcut code in async
mode.
(stop_wait_callback): In async mode, don't store pending status.
Instead, cancel breakpoints or resend the signal appropriatelly.
(cancel_breakpoint): New, refactored from
cancel_breakpoints_callback.
(cancel_breakpoints_callback): Call cancel_breakpoint.
(pipe_to_local_event_queue): Remove special token processing.
(linux_nat_wait): Issue an internal error if a pending status is
found in async mode.