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This patch is the result of running 'isort .' in the gdb directory.
Approved-By: Simon Marchi <simon.marchi@efficios.com>
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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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We have an inconsistency in value history accesses where array element
accesses cause an error for entries exceeding the currently selected
`max-value-size' setting even where such accesses successfully complete
for elements located in the inferior, e.g.:
(gdb) p/d one
$1 = 0
(gdb) p/d one_hundred
$2 = {0 <repeats 100 times>}
(gdb) p/d one_hundred[99]
$3 = 0
(gdb) set max-value-size 25
(gdb) p/d one_hundred
value requires 100 bytes, which is more than max-value-size
(gdb) p/d one_hundred[99]
$7 = 0
(gdb) p/d $2
value requires 100 bytes, which is more than max-value-size
(gdb) p/d $2[99]
value requires 100 bytes, which is more than max-value-size
(gdb)
According to our documentation the `max-value-size' setting is a safety
guard against allocating an overly large amount of memory. Moreover a
statement in documentation says, concerning this setting, that: "Setting
this variable does not affect values that have already been allocated
within GDB, only future allocations." While in the implementer-speak
the sentence may be unambiguous I think the outside user may well infer
that the setting does not apply to values previously printed.
Therefore rather than just fixing this inconsistency it seems reasonable
to lift the setting for value history accesses, under an implication
that by having been retrieved from the debuggee they have already passed
the safety check. Do it then, by suppressing the value size check in
`value_copy' -- under an observation that if the original value has been
already loaded (i.e. it's not lazy), then it must have previously passed
said check -- making the last two commands succeed:
(gdb) p/d $2
$8 = {0 <repeats 100 times>}
(gdb) p/d $2 [99]
$9 = 0
(gdb)
Expand the testsuite accordingly, covering both value history handling
and the use of `value_copy' by `make_cv_value', used by Python code.
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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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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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Re-format all Python files using black [1] version 21.4b0. The goal is
that from now on, we keep all Python files formatted using black. And
that we never have to discuss formatting during review (for these files
at least) ever again.
One change is needed in gdb.python/py-prettyprint.exp, because it
matches the string representation of an exception, which shows source
code. So the change in formatting must be replicated in the expected
regexp.
To document our usage of black I plan on adding this to the "GDB Python
Coding Standards" wiki page [2]:
--8<--
All Python source files under the `gdb/` directory must be formatted
using black version 21.4b0.
This specific version can be installed using:
$ pip3 install 'black == 21.4b0'
All you need to do to re-format files is run `black <file/directory>`,
and black will re-format any Python file it finds in there. It runs
quite fast, so the simplest is to do:
$ black gdb/
from the top-level.
If you notice that black produces changes unrelated to your patch, it's
probably because someone forgot to run it before you. In this case,
don't include unrelated hunks in your patch. Push an obvious patch
fixing the formatting and rebase your work on top of that.
-->8--
Once this is merged, I plan on setting a up an `ignoreRevsFile`
config so that git-blame ignores this commit, as described here:
https://github.com/psf/black#migrating-your-code-style-without-ruining-git-blame
I also plan on working on a git commit hook (checked in the repo) to
automatically check the formatting of the Python files on commit.
[1] https://pypi.org/project/black/
[2] https://sourceware.org/gdb/wiki/Internals%20GDB-Python-Coding-Standards
gdb/ChangeLog:
* Re-format all Python files using black.
gdb/testsuite/ChangeLog:
* Re-format all Python files using black.
* gdb.python/py-prettyprint.exp (run_lang_tests): Adjust.
Change-Id: I28588a22c2406afd6bc2703774ddfff47cd61919
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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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gdb/ChangeLog:
Update copyright year range in all GDB files.
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"SyntaxWarning: invalid escape sequence")
The way unrecognized escape sequences are handled has changed in
Python 3.8: users now see a SyntaxWarning message, which will
eventually become a SyntaxError in future versions of Python:
(gdb) source /blabla/gdb.python/py-xmethods/py-xmethods.py
/blabla/gdb.python/py-xmethods/py-xmethods.py:204: SyntaxWarning: invalid escape seque
nce \+
'operator\+',
/blabla/gdb.python/py-xmethods/py-xmethods.py:211: SyntaxWarning: invalid escape seque
nce \+
'operator\+\+',
One of our testcases, gdb.python/py-xmethods.exp, contains strings in
the form of "operator\+". This is not recognized by Python, but is
still needed by the testsuite to work properly. The solution is
simple: we just have to make sure these strings are marked as
raw (i.e, r""). This is what this patch does. I took the opportunity
to also convert other strings to raw, which, in two cases, allowed the
removal of an extra backslash.
I tested this using Python 3.7 and Python 3.8, and everything works
fine.
I think I could push this as obvious, but decided to send it to
gdb-patches just in case.
gdb/testsuite/ChangeLog:
2019-08-26 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.python/py-xmethods.exp: Use raw strings when passing
arguments to SimpleXMethodMatcher.
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update copyright year range in all GDB files
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This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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gdb/ChangeLog:
* NEWS (Python Scripting): Mention the new gdb.Value methods.
* python/py-value.c (valpy_reference_value): New function.
(valpy_const_value): Likewise.
(value_object_methods): Add new methods.
* value.c (make_cv_value): New function.
* value.h (make_cv_value): Declare.
gdb/doc/ChangeLog:
* python.texi (Values From Inferior): Add descriptions of new
methods gdb.Value.reference_value and gdb.Value.const_value.
gdb/testsuite/ChangeLog:
* gdb.python/py-xmethods.cc: Enhance test case.
* gdb.python/py-xmethods.exp: New tests.
* gdb.python/py-xmethods.py (A_indexoper): New xmethod worker
function.
(B_indexoper): Likewise.
(global_dm_list) : Add new xmethod worker functions.
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gdb/ChangeLog:
PR python/18285
* NEWS: Document new gdb.XMethodWorker.get_result_type method.
* eval.c (evaluate_subexp_standard) <OP_FUNCALL>: Handle
EVAL_AVOID_SIDE_EFFECTS for xmethods.
* extension-priv.h (struct extension_language_ops)
<get_xmethod_result_type>: New member.
* extension.c (get_xmethod_result_type): New function.
* extension.h (get_xmethod_result_type): Declare.
* python/py-xmethods.c (get_result_type_method_name): New static
global.
(py_get_result_type_method_name): Ditto.
(gdbpy_get_xmethod_result_type): New function.
(gdbpy_initialize_xmethods): Initialize py_get_result_type_method_name.
* python/python-internal.h (gdbpy_get_xmethod_result_type): Declare.
* python/python.c (python_extension_ops): Add
gdbpy_get_xmethod_result_type.
* python/lib/gdb/xmethod.py (XMethodWorker): Add get_result_type.
* valarith.c (value_x_binop): Handle EVAL_AVOID_SIDE_EFFECTS for
xmethods.
(value_x_unop): Ditto.
* value.c (result_type_of_xmethod): New function.
* value.h (result_type_of_xmethod): Declare.
gdb/testsuite/ChangeLog:
* gdb.python/py-xmethods.exp: Add ptype tests.
* gdb.python/py-xmethods.py (E_method_char_worker): Add
get_result_type method.
gdb/doc/ChangeLog:
* python.texi (Xmethod API) <gdb.XMethodWorker.get_result_type>:
Document.
(Writing an Xmethod): Add get_result_type to example.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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gdb/
* python/lib/gdb/command/xmethods.py (set_xm_status1): Use the
'items' methods instead of 'iteritems' method on dictionaries.
gdb/testsuite/
* gdb.python/py-xmethods.py (A_getarrayind)
(E_method_char_worker.__call__, E_method_int_worker.__call__):
Use 'print' with function call syntax.
(E_method_matcher.match): Fix tab vs space indentation mixup.
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* python/py-xmethods.c: New file.
* python/py-objfile.c (objfile_object): New field 'xmethods'.
(objfpy_dealloc): XDECREF on the new xmethods field.
(objfpy_new, objfile_to_objfile_object): Initialize xmethods
field.
(objfpy_get_xmethods): New function.
(objfile_getset): New entry 'xmethods'.
* python/py-progspace.c (pspace_object): New field 'xmethods'.
(pspy_dealloc): XDECREF on the new xmethods field.
(pspy_new, pspace_to_pspace_object): Initialize xmethods
field.
(pspy_get_xmethods): New function.
(pspace_getset): New entry 'xmethods'.
* python/python-internal.h: Add declarations for new functions.
* python/python.c (_initialize_python): Invoke
gdbpy_initialize_xmethods.
* python/lib/gdb/__init__.py (xmethods): New
attribute.
* python/lib/gdb/xmethod.py: New file.
* python/lib/gdb/command/xmethods.py: New file.
testuite/
* gdb.python/py-xmethods.cc: New testcase to test xmethods.
* gdb.python/py-xmethods.exp: New tests to test xmethods.
* gdb.python/py-xmethods.py: Python script supporting the
new testcase and tests.
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