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Thu, 18 Jun 2026 14:23:58 +0000 (UTC) Received: from keiths-thinkpadp1gen7.rmtuswa.csb (unknown [10.22.65.114]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id DCA2A1956044 for ; Thu, 18 Jun 2026 14:23:57 +0000 (UTC) From: Keith Seitz To: gdb-patches@sourceware.org Subject: [PATCH 0/2] Fix ODR violations in regformat target descriptions Date: Thu, 18 Jun 2026 07:23:54 -0700 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: rhDt64ywTgIs1K__kjWhwwoYJo2h-6pAFnRhcnWBiOE_1781792638 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Commit 1a5362ce51ef ("gdb, gdbserver: propagate use of target_desc unique pointers") changd most target descriptions to "const_target_desc_up," but deliberately left gdb/regformats/regdat.sh unchanged because those descriptions were still emitted as file-local static "struct target_desc" objects declared "const struct target_desc *". That mismatch breaks gdbserver on ppc64le when LTO is enabled. The shared header gdb/arch/ppc-linux-tdesc.h declares symbols such as "tdesc_powerpc_isa207_htm_vsx64l" as "const_target_desc_up," while regdat- generated translation units still define them as raw pointers. This reintroduces previously settled ODR violations. This series updates regdat.sh to generate code consistent with the unique-pointer API, then updates gdbserver targets that declare those symbols locally. There are no intended user-visible changes. Keith Keith Seitz (2): regdat.sh: generate const_target_desc_up for register descriptions [gdbserver] Use const_target_desc_up for regformat tdescs gdb/regformats/regdat.sh | 13 +++--- gdbserver/linux-ia64-low.cc | 5 ++- gdbserver/linux-m68k-low.cc | 5 ++- gdbserver/linux-microblaze-low.cc | 6 +-- gdbserver/linux-mips-low.cc | 11 ++--- gdbserver/linux-or1k-low.cc | 5 ++- gdbserver/linux-s390-ipa.cc | 39 ++++++++--------- gdbserver/linux-s390-low.cc | 69 ++++++++++++++++--------------- gdbserver/linux-s390-tdesc.h | 34 +++++++-------- gdbserver/linux-sh-low.cc | 5 ++- gdbserver/linux-sparc-low.cc | 5 ++- gdbserver/linux-xtensa-low.cc | 5 ++- 12 files changed, 105 insertions(+), 97 deletions(-) base-commit: ada409879cc393c4cf633efe3d7afb716523f6be -- 2.53.0