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Building on the previous commit, this makes use of a trailing @ to
split long @deffn lines in the guile.texi source file. This splitting
doesn't change how the document is laid out by texinfo.
I have also wrapped keyword and argument name pairs in @w{...} to
prevent line breaks appearing between the two. I've currently only
done this for the longer @deffn lines, where a line break is
possible. This makes the @deffn lines much nicer to read in the
generated pdf.
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Most guile procedures in the guile.texi file are defined like:
@deffn {Scheme Procedure} name arg1 arg2 arg3
But there are two places where we do this:
@deffn {Scheme Procedure} (name arg1 arg2 arg3)
Notice the added (...). Though this does represent how a procedure
call is written in scheme, it's not the normal style throughout the
manual. I also checked the 'info guile' info page to see how they
wrote there declarations, and they use the first style too.
The second style also has the drawback that index entries are added as
'(name', and so they are grouped in the '(' section of the index,
which is not very user friendly.
In this commit I've changed the definitions of make-command and
make-parameter to use the first style.
The procedure declaration lines can get pretty long with all of the
arguments, and this was true for both of the procedures I am changing
in this commit. I have made use of a trailing '@' to split the deffn
lines, and keep them under 80 characters in the texi source. This
makes no difference to how the final document looks.
Finally, our current style for keyword arguments, appears to be:
[#:keyword-name argument-name]
I don't really understand the reason for this, 'info guile' just seems
to use:
[#:keyword-name]
which seems just as good to me. But I don't propose to change
that just now. What I do notice though, is that sometimes, texinfo
will place a line break between the keyword-name and the
argument-name, for example, the pdf of make-command is:
make-command name [#:invoke invoke] [#:command-class
command-class] [#:completer-class completer] [#:prefix? prefix] [#:doc
doc-string]
Notice the line break after '#:command-class' and after '#:doc',
neither of which are ideal. And so, for the two commands I am
changing in this commit, I have made use of @w{...} to prevent line
breaks between the keyword-name and the argument-name. Now the pdf
looks like this:
make-command name [#:invoke invoke]
[#:command-class command-class] [#:completer-class completer]
[#:prefix? prefix] [#:doc doc-string]
Which seems much better. I'll probably update the other deffn lines
at some point.
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target_announce_detach was added in commit 0f48b757 ("Factor out
"Detaching from program" message printing"). There, Pedro wrote:
(For now, I left the couple targets that print this a bit differently
alone. Maybe this could be further pulled out into infcmd.c. If we
did that, and those targets want to continue printing differently,
this new function could be converted to a target method.)
It seems to me that the differences aren't very big, and in some cases
other targets handled the output a bit more nicely. In particular,
some targets will print a different message when exec_file==NULL,
rather than printing the same output with an empty string as
exec_file.
This patch incorporates the nicer output into target_announce_detach,
then changes the remaining ports to use this function.
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This introduces target_announce_attach, by analog with
target_announce_detach. Then it converts existing targets to use
this, rather than emitting their own output by hand.
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In gnu-nat.c we currently implement some set/show prefix commands
"manually", that is, we call add_prefix_cmd, and assign a set and show
function to each prefix command.
These set/show functions print an error indicating that the user
didn't type a complete command.
If we instead switch to using add_setshow_prefix_cmd then we can
delete the set/show functions, GDB provides some default functions,
which give a nice help style summary that lists all of the available
sub-commands, along with a one line summary of what each does.
Though this clearly changes the existing behaviour, I think this
change is acceptable as the new behaviour is more inline with other
set/show prefix commands, and the new behaviour is more informative.
This change will conflict with Tom's change here:
https://sourceware.org/pipermail/gdb-patches/2022-January/184724.html
Where Tom changes the set/show functions that I delete. My suggestion
is that the set/show functions still be deleted even after Tom's
patch (or instead of Tom's patch).
For testing I've build GDB on GNU/Hurd, and manually tested these
functions. I did a grep over the testsuite, and don't believe the
existing error messages are being checked for in any tests.
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A warning in windows-nat.c can be converted to use the warning
function. As a side effect, this arranges for the output to be sent
to gdb_stderr.
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windows-tdep.c checks the result of xmalloc, which isn't necessary. I
initially removed this dead check, but then went a bit further and
modified the code so that some "goto"s and explicit memory management
could be removed. Then, I added a couple of missing bounds checks.
I believe this also fixes a possible bug with a missing 0-termination
of a string. I am not certain, but that is why I think the existing
code allocates a buffer that is 1 byte too long -- but then it fails
to set this byte to 0.
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language_info calls:
show_language_command (NULL, 1, NULL, NULL);
... "knowing" that show_language_command does not use its ui_file
parameter. However, this was changed in commit 7514a661
("Consistently Use ui_file parameter to show callbacks").
This patch changes language_info to pass a ui_file.
It took a while to write the test -- this function is only called when
'verbose' is on and when switching the "expected" language in auto
mode.
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langs.exp currently has some fails for me because the stack trace
includes full paths to the source files.
FAIL: gdb.base/langs.exp: up to foo in langs.exp
FAIL: gdb.base/langs.exp: up to cppsub_ in langs.exp
FAIL: gdb.base/langs.exp: up to fsub in langs.exp
This fixes the failures by making the filename regexps a bit more lax.
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I just realized that I forgot to update the year before pushing the
patch that created this file. Since it landed after the global
copyright year update have been done, this file’s copyright year is
updated.
This patch fixes that.
Change-Id: I280f7d86e02d38425f7afdcf19a1c3500d51c23f
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Internally, AdaCore has a test that is equivalent to (really a direct
translation of) gdb.base/gnu_vector.exp. On 32-bit RISC-V, the
"return" part of this test fails.
Joel tracked this down to riscv_return_value returning
RETURN_VALUE_ABI_RETURNS_ADDRESS. Using
RETURN_VALUE_ABI_PRESERVES_ADDRESS is more correct here, and fixes the
bug.
I tested this for both 32- and 64-bit RISC-V using the AdaCore
internal test suite, and Andrew Burgess tested it using
gnu_vector.exp.
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Most of the expression-dumping code uses filtered output, but a few
functions did not. This patch cleans up these instance.
Note that this won't cause any behavior change, because the only calls
to dump_prefix_expression pass in gdb_stdlog. However, in the long
run it's easier to audit the code if the number of uses of _unfiltered
is reduced.
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This changes one terminal_info implementation, and
default_terminal_info, to use filtered output. Other implementations
of this method already use filtered output.
I can't compile go32-nat.c, so this is a 'best effort' patch.
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gnu-nat.c has a number of ordinary commands that should use filtered
output. In a few cases, I changed the output to use gdb_stderr as
well. I can't compile this file, so this patch is split out as a
"best effort".
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Various targets introduce their own commands, which then use
unfiltered output. It's better to use filtered output by default, so
this patch fixes the instances I found.
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This changes btrace.c and record-btrace.c to use filtered output in
the commands implemented there.
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There are several commands that may optionally send their output to a
file -- they take an optional filename argument and open a file. This
patch changes these commands to use filtered output. The rationale
here is that, when printing to gdb_stdout, filtering is appropriate --
it is, and should be, the default for all commands. And, when writing
to a file, paging will not happen anyway (it only happens when the
stream==gdb_stdout), so using the _filtered form will not change
anything.
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This changes the kill command to use filtered output. I split this
one into its own patch because, out of an abundance of caution, I
changed the function to call bfd_cache_close_all a bit earlier, in
case pagination caused an exception.
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Many otherwise ordinary commands choose to use unfiltered output
rather than filtered. I don't think there's any reason for this, so
this changes many such commands to use filtered output instead.
Note that complete_command is not touched due to a comment there
explaining why unfiltered output is believed to be used.
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Change language_info to use filtered output. This is ok because the
sole caller uses filtered output elsewhere, and because this function
calls show_language_command, which also uses filtered output.
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This changes the implementations of the target files_info method to
use filtered output. This makes sense because the sole caller of this
method is an ordinary command (info_program_command). This patch
changes this command to use filtered output as well.
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target-descriptions.c uses unfiltered output. However, if you happen
to invoke this command interactively, it's probably better for it to
use filtering. For non-interactive use, this doesn't matter.
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This changes gdbarch dumping to use filtered output. This seems a bit
better to me, both on the principle that this is an ordinary command,
and because the output can be voluminous, so it may be nice to stop in
the middle.
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In my tour of the ui_file subsystem, I found that fputstr and fputstrn
can be simplified. The _filtered forms are never used (and IMO
unlikely to ever be used) and so can be removed. And, the interface
can be simplified by removing a callback function and moving the
implementation directly to ui_file.
A new self-test is included. Previously, I think nothing was testing
this code.
Regression tested on x86-64 Fedora 34.
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A change to BFD caused a gdb regression when using the Ada "catch
exception" feature. The bug is visible when a shared library throws
an exception that is caught in the main executable.
This was discussed here:
https://sourceware.org/pipermail/binutils/2021-July/117538.html
This patch implements Alan's proposed fix, namely to use VERSYM_HIDDEN
rather than the name when deciding to install a version-less symbol.
The internal test case is identical to the catch_ex_std.exp that is
in-tree, so I haven't added a new test. I could not make that one
fail on x86-64 Linux, though. It's possible that maybe I'd have to
update the system linker first, but I didn't want to try that.
Regression tested on x86-64 Fedora 32.
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Commit 72ee03ff58 fixed a use-after-move bug in add_thread_object, but
it changed the inferior_thread attribute to contain the inferior instead
of the actual thread.
This now uses the thread_obj in its new location instead.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28429
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execute_control_commands_to_string can be rewritten in terms of
execute_fn_to_string, which consolidates some knowledge about which
streams to redirect.
Regression tested on x86-64 Fedora 34.
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Right now, gdb's self-backtrace feature will still print something
when a backtrace is unavailable:
sig_write (_("----- Backtrace -----\n"));
[...]
sig_write (_("Backtrace unavailable\n"));
sig_write ("---------------------\n");
However, if GDB_PRINT_INTERNAL_BACKTRACE is undefined, it seems better
to me to print nothing at all.
This patch implements this change. It also makes a couple of other
small changes in this same module: it adds a header guard to
bt-utils.h, and it protects the definitions of
gdb_internal_backtrace_1 with a check of GDB_PRINT_INTERNAL_BACKTRACE.
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The patch to fix paging with redirection caused a regression in the
internal AdaCore test suite. The problem occurs when running an MI
command from the CLI using interpreter-exec, when paging is enabled.
This scenario isn't covered by the current test suite, so this patch
includes a new test.
The problem is that, in this situation, MI does:
fputs_unfiltered (strcmp (context->command, "target-select") == 0
? "^connected" : "^done", mi->raw_stdout);
Here raw_stdout is a stdio_file wrapping stdout, so the pager thinks
that it is ok to buffer the output. However, in this setup, it isn't
ok, and flushing the wrap buffer doesn't really work properly. Also,
MI next does:
mi_out_put (uiout, mi->raw_stdout);
... but this uses ui_file::write, which also doesn't flush the wrap
buffer.
I think all this will be fixed by the pager rewrite series I'm working
on. However, in the meantime, adding the old gdb_stdout check back to
the pager fixes this problem.
Regression tested on x86-64 Fedora 34.
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003aae076207dbf32f98ba846158fc32669ef85f (gdb: Copy inferior properties
in clone-inferior) introduced a testcase that fails when testing with
the native-extended-gdbserver board:
Running ../gdb/testsuite/gdb.base/inferior-clone.exp ...
FAIL: gdb.base/inferior-clone.exp: inferior 2: clone-inferior
FAIL: gdb.base/inferior-clone.exp: inferior 3: clone-inferior
The error is as follows:
clone-inferior
[New inferior 2]
Added inferior 2 on connection 1 (extended-remote localhost:2346)
(gdb) FAIL: gdb.base/inferior-clone.exp: inferior 2: clone-inferior
This fails because the testcase only expect the 'Added inferior 2' part
of the message. The 'on connection 1 [...]' part is unexpected.
Fix by adjusting the testcase to a account for the possible trailing
part of the message.
Tested on x86_64-linux with native-extende-gdbserver and unix boards.
Change-Id: Ie3d6f04c9ffe9cab1fbda8ddf4935ee09b858c7a
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Fix build breaker in gdb/cli/cli-logging.c:
...
gdb/cli/cli-logging.c: In function \
‘void show_logging_enabled(ui_file*, int, cmd_list_element*, const char*)’:
gdb/gdbsupport/gdb_locale.h:28:28: error: cannot convert ‘char*’ to ‘ui_file*’
28 | # define _(String) gettext (String)
| ~~~~~~~~^~~~~~~~
| |
| char*
gdb/cli/cli-logging.c:202:25: note: in expansion of macro ‘_’
202 | fprintf_unfiltered (_("on: Logging is enabled.\n"));
| ^
...
Build and tested on x86_64-linux.
Fixes: 45aec4e5ed8 ("[gdb/cli] Improve show logging output")
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Before commit 3b6acaee895 "Update more calls to add_prefix_cmd" we had the
following output for "show logging":
...
$ gdb -q -batch -ex "set trace-commands on" \
-ex "set logging off" \
-ex "show logging" \
-ex "set logging on" \
-ex "show logging"
+set logging off
+show logging
Future logs will be written to gdb.txt.
Logs will be appended to the log file.
Output will be logged and displayed.
Debug output will be logged and displayed.
+set logging on
+show logging
Currently logging to "gdb.txt".
Logs will be appended to the log file.
Output will be logged and displayed.
Debug output will be logged and displayed.
...
After that commit we have instead:
...
+set logging off
+show logging
debugredirect: The logging output mode is off.
file: The current logfile is "gdb.txt".
overwrite: Whether logging overwrites or appends to the log file is off.
redirect: The logging output mode is off.
+set logging on
+show logging
debugredirect: The logging output mode is off.
file: The current logfile is "gdb.txt".
overwrite: Whether logging overwrites or appends to the log file is off.
redirect: The logging output mode is off.
...
which gives less clear output for some subcommands.
OTOH, it's explicit about whether boolean values are on or off.
The new text seems to have been chosen to match the set/show help texts:
...
(gdb) help show logging
Show logging options.
List of show logging subcommands:
show logging debugredirect -- Show the logging debug output mode.
show logging file -- Show the current logfile.
show logging overwrite -- \
Show whether logging overwrites or appends to the log file.
show logging redirect -- Show the logging output mode.
...
Make the show logging messages more clear, while still keep the boolean
values explicit, such that we have:
...
$ ./gdb.sh -q -batch -ex "show logging"
logging debugredirect: off: \
Debug output will go to both the screen and the log file.
logging enabled: off: Logging is disabled.
logging file: The current logfile is "gdb.txt".
logging overwrite: off: Logging appends to the log file.
logging redirect: off: Output will go to both the screen and the log file.
...
Tested on x86_64-linux.
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An earlier patch of mine, commit 64b7cc50 ("Remove
gdb_print_host_address") inadvertently changed a function in
gdbtypes.c to use printf rather than printf_filtered. This patch
fixes the problem.
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Simon and Tom pointed out that page-logging.exp failed on their
machines. Tom tracked this down to the "width" setting. Since
there's no need in the test to change the width, it seems simplest to
remove the setting. I confirmed that the test still fails if the fix
is backed out, ensuring that the test is still testing what it
purports to.
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I noticed that the AdaCore tree had a small divergence in eval.c -- it
had a fix for an indentation problem in binop_promote. I'm checking
in this small fix as obvious.
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When running test-case gdb.threads/schedlock-thread-exit.exp on a system with
system compiler gcc 4.8.5, I run into:
...
src/gdb/testsuite/gdb.threads/schedlock-thread-exit.c:33:3: error: \
'for' loop initial declarations are only allowed in C99 mode
...
Fix this by:
- using -std=c99, or
- using -std=gnu99, in case that's required, or
- in the case of the jit test-cases, rewriting the for loops.
Tested on x86_64-linux, both with gcc 4.8.5 and gcc 7.5.0.
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Commit 6c265988 ("gdb: add back declarations for _initialize
functions") modified copying.c, but not copying.awk. This patch
updates copying.awk to backport the appropriate fix. This way, if
copying.awk is run again, it will create the correct output.
I'm checking this in as obvious.
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print_i387_ext mostly uses filtered output, but one call in the middle
of the function uses the _unfiltered form. This patch fixes this
call. I'm checking this in as obvious.
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The sim testsuite was reorganized last year, so update the path.
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Move the 64-bit bfd logic out of bfd/configure.ac and into bfd64.m4
under config so it can be shared between all the other subdirs.
This replaces want64 with enable_64_bit_bfd which was already being
declared, but not used directly.
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This commit updates the copyright year range in the script
gdb/testsuite/gdb.arch/powerpc-power10.exp. The update was
performed by running gdb/copyright.py again, to make sure
that the copyright year range will be automatically updated
in years forward.
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The copyright year and holder line is slight malformed, missing
a space after a comma, and this is sufficient for gdb's
copyright.py script to miss this file during its automated
copyright year update.
This commit fixes this.
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Add gdb/syscalls/update-netbsd.sh to the reminder printed
at the end of the execution listing all the files where
a manual update of the copyright header is needed. This
scripts contains some inline code which includes a copyright
header.
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This commit updates the copyright year in some files where
we have a copyright year outside of the copyright year,
and thus are not included in gdb's copyright.py 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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This commit changes the copyright year printed by gdb, gdbserver
and gdbreplay when printing the tool's version.
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avr_io_reg_read_command is an ordinary gdb command, and so should not
be calling reinitialize_more_filter. This patch removes it. I'm
checking this in as obvious. Tested by rebuilding.
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"show" command callbacks, like most ordinary gdb commands, should use
filtered output. I found a few that did not, so this patch changes
them to use the filtered form.
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I happened to notice that one "show" callback was printing to
gdb_stdout rather than to the passed-in ui_file parameter. I went
through all such callbacks and fixed them to consistently use the
ui_file.
Regression tested on x86-64 Fedora 34.
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