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This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
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This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
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Since commit b2d8657, having a per-interpreter event/command loop is not
possible anymore.
As Insight uses a GUI that has its own event loop, gdb and GUI event
loops have then to be "merged" (i.e.: work together). But this is
problematic as gdb_do_one_event is not aware of this alternate event
loop and thus may wait forever.
A solution is to delegate GUI events handling to the gdb events handler.
Insight uses Tck/Tk as GUI and the latter offers a "notifier" feature to
implement such a delegation. The Tcl notifier spec requires the event wait
function to support a timeout parameter. Unfortunately gdb_do_one_event
does not feature such a parameter.
This timeout cannot be implemented externally with a gdb timer, because
it would become an event by itself and thus can cause a legitimate event to
be missed if the timeout is 0.
Tcl implements "idle events" that are (internally) triggered only when no
other event is pending. For this reason, it can call the event wait function
with a 0 timeout quite often.
This patch implements a wait timeout to gdb_do_one_event. The initial
pending events monitoring is performed as before without the possibility
to enter a wait state. If no pending event has been found during this
phase, a timer is then created for the given timeout in order to re-use
the implemented timeout logic and the event wait is then performed.
This "internal" timer only limits the wait time and should never be triggered.
It is deleted upon gdb_do_one_event exit.
The new parameter defaults to "no timeout" (-1): as it is used by Insight
only, there is no need to update calls from the gdb source tree.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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The same pattern happens often to define a "debug_printf" macro:
#define displaced_debug_printf(fmt, ...) \
do \
{ \
if (debug_displaced) \
debug_prefixed_printf ("displaced", __func__, fmt, ##__VA_ARGS__); \
} \
while (0)
Move this pattern behind a helper macro, debug_prefixed_printf_cond and
update the existing macros to use it.
gdb/ChangeLog:
* displaced-stepping.h (displaced_debug_printf): Use
debug_prefixed_printf_cond.
* dwarf2/read.c (dwarf_read_debug_printf): Likewise.
(dwarf_read_debug_printf_v): Likewise.
* infrun.h (infrun_debug_printf): Likewise.
* linux-nat.c (linux_nat_debug_printf): Likewise.
gdbsupport/ChangeLog:
* common-debug.h (debug_prefixed_printf_cond): New.
* event-loop.h (event_loop_debug_printf): Use
debug_prefixed_printf_cond.
Change-Id: I1ff48b98b8d1cc405d1c7e8da8ceadf4e3a17f99
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The *_debug_print_1 functions are all very similar, the only difference
being the subsystem name. Remove them all and make the logging macros
use a new debug_prefixed_printf function directly.
gdb/ChangeLog:
* infrun.c (infrun_debug_printf_1): Remove.
(displaced_debug_printf_1): Remove.
(stop_all_threads): Use debug_prefixed_printf.
* infrun.h (infrun_debug_printf_1): Remove.
(infrun_debug_printf): Use debug_prefixed_printf.
(displaced_debug_printf_1): Remove.
(displaced_debug_printf): Use debug_prefixed_printf.
* linux-nat.c (linux_nat_debug_printf_1): Remove.
(linux_nat_debug_printf): Use debug_prefixed_printf.
gdbsupport/ChangeLog:
* common-debug.cc (debug_prefixed_printf): New.
* common-debug.h (debug_prefixed_printf): New declaration.
* event-loop.cc (event_loop_debug_printf_1): Remove.
* event-loop.h (event_loop_debug_printf_1): Remove.
(event_loop_debug_printf): Use debug_prefixed_printf.
(event_loop_ui_debug_printf): Use debug_prefixed_printf.
Change-Id: Ib323087c7257f0060121d302055c41eb64aa60c6
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Add debug printouts about event loop-related events:
- When a file descriptor handler gets invoked
- When an async event/signal handler gets invoked
gdb/ChangeLog:
* async-event.c (invoke_async_signal_handlers): Add debug
print.
(check_async_event_handlers): Likewise.
* event-top.c (show_debug_event_loop): New function.
(_initialize_event_top): Register "set debug event-loop"
setting.
gdbserver/ChangeLog:
* server.cc (handle_monitor_command): Handle "set
debug-event-loop".
(captured_main): Handle "--debug-event-loop".
(monitor_show_help): Mention new setting.
(gdbserver_usage): Mention new flag.
gdbsupport/ChangeLog:
* event-loop.h (debug_event_loop): New variable declaration.
(event_loop_debug_printf_1): New function declaration.
(event_loop_debug_printf): New macro.
* event-loop.cc (debug_event_loop): New variable.
(handle_file_event): Add debug print.
(event_loop_debug_printf_1): New function.
Change-Id: If78ed3a69179881368e7895b42940ce13b6a1a05
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Assign names to event loop file handlers. They will be used in debug
messages when file handlers are invoked.
In GDB, each UI used to get its own unique number, until commit
cbe256847e19 ("Remove ui::num"). Re-introduce this field, and use it to
make a unique name for the handler.
I'm not too sure what goes on in ser-base.c, all I know is that it's
what is used when debugging remotely. I've just named the main handler
"serial". It would be good to have unique names there too. For instance
when debugging with two different remote connections, we'd ideally want
the handlers to have unique names. I didn't do it in this patch though.
gdb/ChangeLog:
* async-event.c (initialize_async_signal_handlers): Pass name to
add_file_handler
* event-top.c (ui_register_input_event_handler): Likewise.
* linux-nat.c (linux_nat_target::async): Likewise.
* run-on-main-thread.c (_initialize_run_on_main_thread):
Likewise
* ser-base.c (reschedule): Likewise.
(ser_base_async): Likewise.
* tui/tui-io.c: Likewise.
* top.h (struct ui) <num>: New field.
* top.c (highest_ui_num): New variable.
(ui::ui): Initialize num.
gdbserver/ChangeLog:
* linux-low.cc (linux_process_target::async): Pass name to
add_file_handler.
* remote-utils.cc (handle_accept_event): Likewise.
(remote_open): Likewise.
gdbsupport/ChangeLog:
* event-loop.h (add_file_handler): Add "name" parameter.
* event-loop.cc (struct file_handler) <name>: New field.
(create_file_handler): Add "name" parameter, assign it to file
handler.
(add_file_handler): Add "name" parameter.
Change-Id: I9f1545f73888ebb6778eb653a618ca44d105f92c
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This moves event-loop.[ch] to gdbsupport/ and updates the uses in gdb.
gdb/ChangeLog
2020-04-13 Tom Tromey <tom@tromey.com>
* run-on-main-thread.c: Update include.
* unittests/main-thread-selftests.c: Update include.
* tui/tui-win.c: Update include.
* tui/tui-io.c: Update include.
* tui/tui-interp.c: Update include.
* tui/tui-hooks.c: Update include.
* top.h: Update include.
* top.c: Update include.
* ser-base.c: Update include.
* remote.c: Update include.
* remote-notif.c: Update include.
* remote-fileio.c: Update include.
* record-full.c: Update include.
* record-btrace.c: Update include.
* python/python.c: Update include.
* posix-hdep.c: Update include.
* mingw-hdep.c: Update include.
* mi/mi-main.c: Update include.
* mi/mi-interp.c: Update include.
* main.c: Update include.
* linux-nat.c: Update include.
* interps.c: Update include.
* infrun.c: Update include.
* inf-loop.c: Update include.
* event-top.c: Update include.
* event-loop.c: Move to ../gdbsupport/.
* event-loop.h: Move to ../gdbsupport/.
* async-event.h: Update include.
* Makefile.in (COMMON_SFILES, HFILES_NO_SRCDIR): Update.
gdbsupport/ChangeLog
2020-04-13 Tom Tromey <tom@tromey.com>
* event-loop.h: Move from ../gdb/.
* event-loop.cc: Move from ../gdb/.
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