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Tue, 12 May 2026 16:34:39 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id yOVhGJ9WA2pbEwAAD6G6ig (envelope-from ) for ; Tue, 12 May 2026 16:34:39 +0000 From: Tom de Vries To: gdb-patches@sourceware.org Subject: [PATCH 1/2] [gdb/python] Add init_py_immortals Date: Tue, 12 May 2026 18:34:37 +0200 Message-ID: <20260512163438.2446764-2-tdevries@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260512163438.2446764-1-tdevries@suse.de> References: <20260512163438.2446764-1-tdevries@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; URIBL_BLOCKED(0.00)[imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,sourceware.org:url,suse.de:dkim,suse.de:mid]; 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Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=34145 --- gdb/python/python.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/gdb/python/python.c b/gdb/python/python.c index 502fe682b2c..d4c3454bbee 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -2587,6 +2587,25 @@ py_initialize () #endif } +/* Increase the refcount for Py_None/Py_True/Py_False, if necessary. This + allows us to use a simple "return Py_None" instead of Py_RETURN_NONE + everywhere else. */ + +static void +init_py_immortals () +{ + [[maybe_unused]] static PyObject *py_none = nullptr; + [[maybe_unused]] static PyObject *py_true = nullptr; + [[maybe_unused]] static PyObject *py_false = nullptr; + + gdb_assert (py_none == nullptr); + + /* Increase refcount for Py_None/Py_True/Py_False, if necessary. */ + py_none = [] { Py_RETURN_NONE; } (); + py_true = [] { Py_RETURN_TRUE; } (); + py_false = [] { Py_RETURN_FALSE; } (); +} + static bool do_start_initialization () { @@ -2606,6 +2625,8 @@ do_start_initialization () PyEval_InitThreads (); #endif + init_py_immortals (); + gdb_module = PyImport_ImportModule ("_gdb"); if (gdb_module == NULL) return false; -- 2.51.0