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Add two overloads of gdb_abspath, one which takes std::string and one
which takes gdb::unique_xmalloc_ptr<char>, then make use of these
overloads throughout GDB and gdbserver.
There should be no user visible changes after this commit.
Approved-By: Tom Tromey <tom@tromey.com>
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Remove some includes reported as unused by clangd. Add some includes in
other files that were previously relying on the transitive include.
Change-Id: Ibdd0a998b04d21362a20d0ca8e5267e21e2e133e
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This patch removes gdb_stdtargerr. There doesn't seem to be a need
for this -- it is always the same as stdtarg, and (I believe) has been
for many years.
Approved-By: Andrew Burgess <aburgess@redhat.com>
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The TUI can't really work properly with new-ui, at least not as
currently written. This patch changes new-ui to reject an attempt.
Attempting to make a DAP ui this way is also now rejected.
Regression tested on x86-64 Fedora 38.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29273
Approved-By: Andrew Burgess <aburgess@redhat.com>
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The declaration of annotation_level is currently in defs.h, while the
definition is in stack.c. I don't really understand why that variable
would live in stack.c, it seems completely unrelated. Move it to
annotate.c, and move the declaration to annotate.h.
Change-Id: I6cf8e9bd20e83959bdf5ad58dd008b6e1187d7d8
Approved-By: Tom Tromey <tom@tromey.com>
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Now that defs.h, server.h and common-defs.h are included via the
`-include` option, it is no longer necessary for source files to include
them. Remove all the inclusions of these files I could find. Update
the generation scripts where relevant.
Change-Id: Ia026cff269c1b7ae7386dd3619bc9bb6a5332837
Approved-By: Pedro Alves <pedro@palves.net>
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I noticed in captured_main_1 that init_history is called just before bailing
out if batch_flag is true.
The history is used only in an interactive session, so there's no need to
initialize it in batch mode.
Fix this by moving init_history to after the batch mode check.
Tested on x86_64-linux.
Approved-By: Andrew Burgess <aburgess@redhat.com>
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Nothing uses it.
Change-Id: I7a3fbf38e290a5147fbcbf175bc34f01dfb335c7
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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 changes gdb to ensure that gdb's BFD cache is guarded by a lock.
This avoids any races when multiple threads might open a BFD (and thus
use the BFD cache) at the same time.
Currently, this change is not needed because the the main thread waits
for some DWARF scanning to be completed before returning. The only
locking that's required is when opening DWO files, and there's a local
lock to this end in dwarf2/read.c.
However, in the coming patches, the DWARF reader will begin its work
earlier, in the background. This means there is the potential for the
DWARF reader and other code on the main thread to both attempt to open
BFDs at the same time.
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This commit enables the early initialization commands (92e4e97a9f5) to
modify the number of threads used by gdb's thread pool.
The motivation here is to prevent gdb from spawning a detrimental number
of threads on many-core systems under environments with restrictive
ulimits.
With gdb before this commit, the thread pool takes the following sizes:
1. Thread pool size is initialized to 0.
2. After the maintenance commands are defined, the thread pool size is
set to the number of system cores (if it has not already been set).
3. Using early initialization commands, the thread pool size can be
changed using "maint set worker-threads".
4. After the first prompt, the thread pool size can be changed as in the
previous step.
Therefore after step 2. gdb has potentially launched hundreds of threads
on a many-core system.
After this change, step 2 and 3 are reversed so there is an opportunity
to set the required number of threads without needing to default to the
number of system cores first.
There does exist a configure option (added in 261b07488b9) to disable
multithreading, but this does not allow for an already deployed gdb to
be configured.
Additionally, the default number of worker threads is clamped at eight
to control the number of worker threads spawned on many-core systems.
This value was chosen as testing recorded on bugzilla issue 29959
indicates that parallel efficiency drops past this point.
GDB built with GCC 13.
No test suite regressions detected. Compilers: GCC, ACfL, Intel, Intel
LLVM, NVHPC; Platforms: x86_64, aarch64.
The scenario that interests me the most involves preventing GDB from
spawning any worker threads at all. This was tested by counting the
number of clones observed by strace:
strace -e clone,clone3 gdb/gdb -q \
--early-init-eval-command="maint set worker-threads 0" \
-ex q ./gdb/gdb |& grep --count clone
The new test relies on "gdb: install CLI uiout while processing early
init files" developed by Andrew Burgess. This patch will need pushing
prior to this change.
The clamping was tested on machines with both 16 cores and a single
core. "maint show worker-threads" correctly reported eight and one
respectively.
Approved-By: Tom Tromey <tom@tromey.com>
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The next commit wants to use a 'show' command within an early
initialisation file, despite these commands not being in the list of
acceptable commands for use within an early initialisation file.
The problem we run into is that the early initialisation files are
processed before GDB has installed the top level interpreter. The
interpreter is responsible to installing the default uiout (accessed
through current_uiout), and as a result code that depends on
uiout (e.g. 'show' commands) will end up dereferencing a nullptr, and
crashing GDB.
I did consider moving the interpreter installation before the early
initialisation, and this would work fine except for the new DAP
interpreter, which relies on having Python available during its
initialisation. Which means we can't install the interpreter until
after Python has been initialised, and the early initialisation
handling has to occur before Python is setup -- that's the whole point
of this feature (to allow customisation of how Python is setup).
So, what I propose is that early within captured_main_1, we install a
temporary cli_ui_out as the current_uiout. This will remain in place
until the top-level interpreter is installed, at which point the
temporary will be replaced.
What this means is that current_uiout will no longer be nullptr,
instead, any commands within an early initialisation file that trigger
output, will perform that output in a CLI style.
I propose that we don't update the documentation for early
initialisation files, we leave the user advice as being only 'set' and
'source' commands are acceptable. But now, if a user does try a
'show' command, then instead of crashing, GDB will do something
predictable.
I've not added a test in this commit. The next commit relies on this
patch and will serve as a test.
Tested-By: Richard Bunt <richard.bunt@linaro.org>
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Since GDB now requires C++17, we don't need the internally maintained
gdb::optional implementation. This patch does the following replacing:
- gdb::optional -> std::optional
- gdb::in_place -> std::in_place
- #include "gdbsupport/gdb_optional.h" -> #include <optional>
This change has mostly been done automatically. One exception is
gdbsupport/thread-pool.* which did not use the gdb:: prefix as it
already lives in the gdb namespace.
Change-Id: I19a92fa03e89637bab136c72e34fd351524f65e9
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net>
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If you want to install GDB in a custom prefix, have it look for debug info
in that prefix but also in the distro's default location (typically,
/usr/lib/debug) and run the GDB testsuite before doing "make install", you
have a bit of a problem:
Configuring GDB with '--prefix=$PREFIX' sets the GDB 'debug-file-directory'
parameter to $PREFIX/lib/debug. Unfortunately this precludes GDB from
looking for distro-installed debug info in /usr/lib/debug. For regular GDB
use you could set debug-file-directory to $PREFIX:/usr/lib/debug in
$PREFIX/etc/gdbinit so that GDB will look in both places, but if you want
to run the testsuite then that doesn't help because in that case GDB runs
with the '-nx' option.
There's the configure option '--with-separate-debug-dir' to set the default
value for 'debug-file-directory', but it accepts only one directory and not
a list. I considered modifying it to accept a list, but it's not obvious
how to do that because its value is also used by BFD, as well as processed
for "relocatability".
I thought it was simpler to add a new option to specify a list of
additional directories that will be appended to the debug-file-directory
setting.
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
Approved-By: Tom Tromey <tom@tromey.com>
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This started with me running into this comment in symfile.c:
/* FIXME, should use print_sys_errmsg but it's not filtered. */
gdb_printf (_("`%ps' has disappeared; keeping its symbols.\n"),
styled_string (file_name_style.style (), filename));
In this particular case I think I disagree with the comment; I think
the output should be a warning rather than just a message printed to
gdb_stdout, I think when the executable, or some other objfile that is
currently being debugged, disappears from disk, this is likely an
unexpected situation, and worth warning the user about.
So, in theory, I could just call print_sys_errmsg and remove the
comment, but that would mean loosing the filename styling in the
output... so in the end I remove the comment and updated the code to
call warning.
But that got me looking at print_sys_errmsg and how it's used.
Currently the function takes a string and an errno, and prints, to
stderr, the string followed by the result of calling strerror on the
errno.
In some places the string passed to print_sys_errmsg is just a
filename, and this is used when something goes wrong. In these cases,
I think calling warning rather than gdb_printf to gdb_stderr, would be
better, and in fact, in a couple of places we manually print a
"warning" prefix, and then call print_sys_errmsg. And so, for these
users I have added a new function warning_filename_and_errno, which
takes a filename, which is printed with styling, and an errno, which
is passed through strerror and the resulting string printed. This new
function calls warning to print its output. I then updated some of
the print_sys_errmsg users to use this new function.
Some other users of print_sys_errmsg are also emitting what is clearly
a warning, however, the string being passed in is more than just a
filename, so the new warning_filename_and_errno function can't be
used, it would style the whole string. For these users I have
switched to calling warning directly, this allows me to style the
warning message correctly.
Finally, in inflow.c there is one last call to print_sys_errmsg, in
this case I just inlined the definition of print_sys_errmsg. This is
a really weird case, as after printing this message GDB just does a
hard exit. This is pretty old code, dating back to the initial GDB
import, I guess it should be updated to call error() maybe, but I'm
reluctant to make this change as part of this commit, just in case
there's some reason why we can't throw an error at this point.
With that done there are now no users of print_sys_errmsg, and so the
old function can be removed.
While I was doing all of the above I added some additional filename
styling in soure.c, this is in an else block where the if contained
the print_sys_errmsg call, so these felt related.
And finally, while I was updating the uses of print_sys_errmsg in
procfs.c, I noticed that we used a static errmsg buffer to format some
error strings. As the above changes got rid of one of the users of
errmsg I also removed the other two users, and the static buffer.
There were a couple of tests that depended on the existing output
message format that needed updating. In one case we gained an extra
'warning: ' prefix, and in the other 'Warning: ' becomes 'warning: ',
I think in both cases the new output is an improvement.
Approved-By: Tom Tromey <tom@tromey.com>
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I ran across this site:
https://no-color.org/
... which lobbies for tools to recognize the NO_COLOR environment
variable and disable any terminal styling when it is seen.
This patch implements this for gdb.
Regression tested on x86-64 Fedora 38.
Co-Authored-By: Andrew Burgess <aburgess@redhat.com>
Reviewed-by: Kevin Buettner <kevinb@redhat.com>
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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It is a trivial wrapper around the pre_command_loop method, remove it.
Change-Id: Idb2c61f9b68988528006a9a9b2b528f43781eef4
Approved-By: Tom Tromey <tom@tromey.com>
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It's been some time since the switch from Freenode to Libera.Chat,
however, there's still a reference to Freenode in the 'gdb --help'
output. Lets update that.
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Same idea as the previous patches, but for command_error.
Change-Id: If6098225dd72fad8be13b3023b35bc8bc48efb9d
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I'd like to move some things so they become methods on struct ui. But
first, I think that struct ui and the related things are big enough to
deserve their own file, instead of being scattered through top.{c,h} and
event-top.c.
Change-Id: I15594269ace61fd76ef80a7b58f51ff3ab6979bc
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This patch turns set_inferior_args_vector into an overload of
inferior::set_args.
Regression tested on x86-64 Fedora 36.
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When a GDB process receives the SIGTERM signal, handle_sigterm() in
event-top.c is called. The global variable 'sync_quit_force_run' is
set by this signal handler. It does some other things too, but the
setting of this global is the important bit for the SIGTERM part of
this discussion.
GDB will periodically check to see whether a Ctrl-C or SIGTERM has
been received. This is performed via use of the QUIT macro in
GDB's code. QUIT is defined to invoke maybe_quit(), which will be
periodically called during any lengthy operation. This is supposed to
ensure that the user won't have to wait too long for a Ctrl-C or
SIGTERM to be acted upon.
When a Ctrl-C / SIGINT is received, quit_handler() will decide whether
to pass the SIGINT onto the inferior or to call quit() which causes
gdb_exception_quit to be thrown. This exception (usually) propagates
to the top level. Control is then returned to the top level event
loop.
At the moment, SIGTERM is handled very differently. Instead of
throwing an exception, quit_force() is called. This does eventually
cause GDB to exit(), but prior to that happening, the inferiors
are killed or detached and other target related cleanup occurs.
As shown in this discussion between Pedro Alves and myself...
https://sourceware.org/pipermail/gdb-patches/2021-July/180802.html
https://sourceware.org/pipermail/gdb-patches/2021-July/180902.html
https://sourceware.org/pipermail/gdb-patches/2021-July/180903.html
...we found that it is possible for inferior_ptid and current_thread_
to get out of sync. When that happens, the "current_thread_ != nullptr"
assertion in inferior_thread() can fail resulting in a GDB internal
error.
Pedro recommended that we "let the normal quit exception propagate all
the way to the top level, and then have the top level call quit_force
if sync_quit_force_run is set." However, after the v2 series for this
patch set, we tweaked that idea by introducing a new exception for
handling SIGTERM.
This commit implements the obvious part of Pedro's suggestion:
Instead of calling quit_force from quit(), throw_forced_quit() is now
called instead. This causes the new exception 'gdb_exception_forced_quit'
to be thrown.
At the top level, I changed catch_command_errors() and captured_main()
to catch gdb_exception_forced_quit and then call quit_force() from the
catch block. I also changed start_event_loop() to also catch
gdb_exception_forced_quit; while we could also call quit_force() from
that catch block, it's sufficient to simply rethrow the exception
since it'll be caught by the newly added code in captured_main().
Making these changes fixed the failure / regression that I was seeing
for gdb.base/gdb-sigterm.exp when run on a machine with glibc-2.34.
However, there are many other paths back to the top level which this
test case does not test. I did an audit of all of the try / catch
code in GDB in which calls in the try-block might (eventually) call
QUIT. I found many cases where gdb_exception_quit and the new
gdb_exception_forced_quit will be swallowed. (When using GDB, have
you ever hit Ctrl-C and not have it do anything; if so, it could be
due to a swallowed gdb_exception_quit in one of the cases I've
identified.) The rest of the patches in this series deal with this
concern.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=26761
Tested-by: Tom de Vries <tdevries@suse.de>
Approved-by: Pedro Alves <pedro@palves.net>
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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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MI version 1 is long since obsolete. Several years ago, I filed
PR mi/23170 for this. I think it's finally time to remove this.
Any users of MI 1 can and should upgrade to a newer version.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=23170
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gdb_setup_readline makes new streams and assigns to the various stream
members of struct ui. However, these assignments cause the previous
values to leak. As far as I can, this code is simply unnecessary and
can be removed -- with the exception of the assignment to gdb_stdtarg,
which is not initialized anywhere else.
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A few spots setting some gdb output stream variables have a "for
moment" comment. These comments aren't useful and I think the moment
has passed -- these are permanent now.
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The global interpreter_p is a manually-managed 'char *'. This patch
changes it to be a std::string instead, and removes some erroneous
comments.
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I'm trying to switch these functions to use std::string instead of char
arrays, as much as possible. Some callers benefit from it (can avoid
doing a copy of the result), while others suffer (have to make one more
copy).
Change-Id: Iced49b8ee2f189744c5072a3b217aab5af17a993
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I noticed that GDB will display URLs in a few spots. This changes
them to be styled. Originally I thought I'd introduce a new "url"
style, but there aren't many places to use this, so I just reused
filename styling instead. This patch also changes the debuginfod URL
list to be printed one URL per line. I think this is probably a bit
easier to read.
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This patch removes gdb's dbx mode. Regression tested on x86-64 Fedora
34.
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Various spots in gdb currently know about the wrap buffer, and so are
careful to call wrap_here to be certain that all output has been
flushed.
Now that the pager is just an ordinary stream, this isn't needed, and
a simple call to gdb_flush is enough.
Similarly, there are places where gdb prints to gdb_stderr, but first
flushes gdb_stdout. stderr_file already flushes gdb_stdout, so these
aren't needed.
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Now that filtered and unfiltered output can be treated identically, we
can unify the printf family of functions. This is done under the name
"gdb_printf". Most of this patch was written by script.
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Now that filtered and unfiltered output can be treated identically, we
can unify the puts family of functions. This is done under the name
"gdb_puts". Most of this patch was written by script.
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GDB has a dbx emulation mode that adds a few aliases and helper
commands. This mode is barely documented and is very superficial
besides. I suspect it is rarely used, and I would like to propose
deprecating it for GDB 12, and then removing it in GDB 13.
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This changes all existing calls to wrap_here to call the method on the
appropriate ui_file instead. The choice of ui_file is determined by
context.
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I think it only really makes sense to call wrap_here with an argument
consisting solely of spaces. Given this, it seemed better to me that
the argument be an int, rather than a string. This patch is the
result. Much of it was written by a script.
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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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The motivation is to reduce the number of places where unmanaged
pointers are returned from allocation type routines. All of the
callers are updated.
There should be no user visible changes after this commit.
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String-like settings (var_string, var_filename, var_optional_filename,
var_string_noescape) currently take a pointer to a `char *` storage
variable (typically global) that holds the setting's value. I'd like to
"mordernize" this by changing them to use an std::string for storage.
An obvious reason is that string operations on std::string are often
easier to write than with C strings. And they avoid having to do any
manual memory management.
Another interesting reason is that, with `char *`, nullptr and an empty
string often both have the same meaning of "no value". String settings
are initially nullptr (unless initialized otherwise). But when doing
"set foo" (where `foo` is a string setting), the setting now points to
an empty string. For example, solib_search_path is nullptr at startup,
but points to an empty string after doing "set solib-search-path". This
leads to some code that needs to check for both to check for "no value".
Or some code that converts back and forth between NULL and "" when
getting or setting the value. I find this very error-prone, because it
is very easy to forget one or the other. With std::string, we at least
know that the variable is not "NULL". There is only one way of
representing an empty string setting, that is with an empty string.
I was wondering whether the distinction between NULL and "" would be
important for some setting, but it doesn't seem so. If that ever
happens, it would be more C++-y and self-descriptive to use
optional<string> anyway.
Actually, there's one spot where this distinction mattered, it's in
init_history, for the test gdb.base/gdbinit-history.exp. init_history
sets the history filename to the default ".gdb_history" if it sees that
the setting was never set - if history_filename is nullptr. If
history_filename is an empty string, it means the setting was explicitly
cleared, so it leaves it as-is. With the change to std::string, this
distinction doesn't exist anymore. This can be fixed by moving the code
that chooses a good default value for history_filename to
_initialize_top. This is ran before -ex commands are processed, so an
-ex command can then clear that value if needed (what
gdb.base/gdbinit-history.exp tests).
Another small improvement, in my opinion is that we can now easily
give string parameters initial values, by simply initializing the global
variables, instead of xstrdup-ing it in the _initialize function.
In Python and Guile, when registering a string-like parameter, we
allocate (with new) an std::string that is owned by the param_smob (in
Guile) and the parmpy_object (in Python) objects.
This patch started by changing all relevant add_setshow_* commands to
take an `std::string *` instead of a `char **` and fixing everything
that failed to build. That includes of course all string setting
variable and their uses.
string_option_def now uses an std::string also, because there's a
connection between options and settings (see
add_setshow_cmds_for_options).
The add_path function in source.c is really complex and twisted, I'd
rather not try to change it to work on an std::string right now.
Instead, I added an overload that copies the std:string to a `char *`
and back. This means more copying, but this is not used in a hot path
at all, so I think it is acceptable.
Change-Id: I92c50a1bdd8307141cdbacb388248e4e4fc08c93
Co-authored-by: Lancelot SIX <lsix@lancelotsix.com>
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The comments in the enum cmdarg_kind were using -sx and -sex instead
of -eix and -eiex.
(Note that gdb --help does not speak about these options).
(pushed as obvious)
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Now that both Python and Guile are fully initialized from their
respective finish_initialization methods, the "finish" in the method
name doesn't really make sense; initialization starts _and_ finishes
with that method.
As such, this commit renames finish_initialization to just initialize.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* extension-priv.h (struct extension_language_ops): Rename
'finish_initialization' to 'initialize'.
* extension.c (finish_ext_lang_initialization): Renamed to...
(ext_lang_initialization): ...this, update comment, and updated
the calls to reflect the change in struct extension_language_ops.
* extension.h (finish_ext_lang_initialization): Renamed to...
(ext_lang_initialization): ...this.
* guile/guile.c (gdbscm_finish_initialization): Renamed to...
(gdbscm_initialize): ...this, update comment at definition.
(guile_extension_ops): Update.
* main.c (captured_main_1): Update call to
finish_ext_lang_initialization.
* python/python.c (gdbpy_finish_initialization): Rename to...
(gdbpy_initialize): ...this, update comment at definition, and
update call to do_finish_initialization.
(python_extension_ops): Update.
(do_finish_initialization): Rename to...
(do_initialize): ...this, and update comment.
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Now (thanks to the last few commits) all extension languages are
fully initialised in their finish_initialization method, this commit
delays the call to this method until after the early initialization
files have been processed.
Right now there's no benefit from doing this, but in a later commit I
plan to add new options for Python that will control how Python is
initialized.
With this commit in place, my next commits will allow the user to add
options to their early initialization file and alter how Python starts
up.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* main.c (captured_main_1): Add a call to
finish_ext_lang_initialization.
* top.c (gdb_init): Remove call to finish_ext_lang_initialization.
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The argument to gdb_init is not used, remove it.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* main.c (captured_main_1): Don't pass argument to gdb_init.
* top.c (gdb_init): Remove unused argument, and add header
comment.
* top.h (gdb_init): Remove argument.
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This adds a new command to change GDB to behave as though "-quiet"
were always given. This new command can be added to the gdbearlyinit
file to affect future GDB sessions.
gdb/ChangeLog:
* NEWS: Add entry.
* main.c (captured_main_1): Call check_quiet_mode.
* top.c (startup_quiet): New global.
(check_quiet_mode): New function.
(show_startup_quiet): New function.
(init_main): Register new command.
* top.h (check_quiet_mode): Declare.
gdb/doc/ChangeLog:
* gdb.texinfo (Mode Options): Mention "set startup-quietly".
gdb/testsuite/ChangeLog:
* gdb.base/startup-file.exp: Add more tests.
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Adds the ability to process commands at a new phase during GDB's
startup. This phase is earlier than the current initialisation file
processing, before GDB has produced any output.
The number of commands that can be processed at this early stage will
be limited, and it is expected that the only commands that would be
processed at this stage will relate to some of the fundamentals of how
GDB starts up.
Currently the only commands that it makes sense to add to this early
initialization file are those like 'set style version ....' as the
version string is displayed during startup before the standard
initialization files are parsed. As such this commit fully resolved
bug cli/25956.
This commit adds a mechanism to execute these early initialization
files from a users HOME directory, as well as some corresponding
command line flags for GDB.
The early initialization files that GDB will currently check for are
~/.config/gdb/gdbearlyinit (on Linux like systems) or ~/.gdbearlyinit
if the former is not found.
The output of 'gdb --help' has been extended to include a list of the
early initialization files being processed.
gdb/ChangeLog:
PR cli/25956
* NEWS: Mention new early init files and command line options.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Define GDBEARLYINIT.
* main.c (get_earlyinit_files): New function.
(enum cmdarg_kind): Add CMDARG_EARLYINIT_FILE and
CMDARG_EARLYINIT_COMMAND.
(captured_main_1): Add support for new command line flags, and for
processing startup files.
(print_gdb_help): Include startup files in the output.
gdb/doc/ChangeLog:
PR cli/25956
* gdb.texinfo (File Options): Mention new command line options.
(Startup): Discuss when early init files are processed.
(Initialization Files): Add description of early init files.
(Output Styling): Update description of 'version' style.
(gdb man): Mention early init files.
gdb/testsuite/ChangeLog:
PR cli/25956
* gdb.base/early-init-file.c: New file.
* gdb.base/early-init-file.exp: New file.
* lib/gdb-utils.exp (style): Handle style 'none'.
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In preparation for the next patch, which adds startup files, this
commit refactors the code for looking up the initialization files so
that the code can be more easily reused in the next commit.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* main.c (relocate_gdbinit_path_maybe_in_datadir): Rename to...
(relocate_file_path_maybe_in_datadir): ...this.
(class gdb_initfile_finder): New class.
(get_init_files): Now uses gdb_initfile_finder.
(print_gdb_help): Print 'None found' when there are no init files.
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The descriptions for most options printed by gdb --help end with a full
stop but, before this patch, not the ones for --args and --interpreter.
This makes the line containing --args a bit longer but still not longer
than the previously longest line, that is the one for the --tty option.
gdb/ChangeLog:
* main.c (print_gdb_help): Add full stops at the end of the
descriptions for the --args and --interpreter options.
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Function file_is_auto_load_safe was taking a format string and varargs
just to output a debug print. This is probably because that function is
used in linux-thread-db.c and main.c, but debug_auto_load is static in
auto-load.c. I simplified that, making debug_auto_load visible outside
of auto-load.c, and making the callers of file_is_auto_load_safe output
the debug print themselves.
This file uses _() for internationalization of the debug messages. This
is not necessary, as these are mostly messages for GDB developers, and
it's not used in other files anyway. So I removed them.
The rest is pretty much standard.
gdb/ChangeLog:
* auto-load.h (debug_auto_load): Move here.
(auto_load_debug_printf): New.
* auto-load.c: Use auto_load_debug_printf.
(debug_auto_load): Move to header.
* linux-thread-db.c (try_thread_db_load): Use
auto_load_debug_printf.
* main.c (captured_main_1): Likewise.
Change-Id: I468dc2a1d24b7dbf171f55181a11abbfafe70ba1
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They are currently in target.h, it would make more sense to have them in
serial.h, since they are defined in serial.c.
gdb/ChangeLog:
* target.h (baud_rate, serial_parity): Move declarations...
* serial.h: ... here.
* main.c: Include serial.h.
* serial.c (baud_rate, serial_parity): Update doc.
Change-Id: Idc983c154c80ccc29b07ce68df3483cefe03fb71
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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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