From patchwork Mon Oct 9 18:36:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Baldwin X-Patchwork-Id: 77301 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8E70D3857B9B for ; Mon, 9 Oct 2023 18:36:57 +0000 (GMT) X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from mail.baldwin.cx (bigwig.baldwin.cx [66.216.25.90]) by sourceware.org (Postfix) with ESMTPS id 8EFD03858404 for ; Mon, 9 Oct 2023 18:36:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8EFD03858404 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=FreeBSD.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=FreeBSD.org Received: from ralph.baldwin.net (unknown [98.47.15.113]) by mail.baldwin.cx (Postfix) with ESMTPSA id 7FA061A84E26; Mon, 9 Oct 2023 14:36:41 -0400 (EDT) From: John Baldwin To: gdb-patches@sourceware.org Cc: Willgerodt@sourceware.org, Felix , George@sourceware.org, Jini Susan , Simon Marchi Subject: [RFC 03/13] gdb: Use NT_X86_CPUID in x86 FreeBSD architectures to read XSAVE layouts Date: Mon, 9 Oct 2023 11:36:05 -0700 Message-ID: <20231009183617.24862-4-jhb@FreeBSD.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231009183617.24862-1-jhb@FreeBSD.org> References: <20231009183617.24862-1-jhb@FreeBSD.org> MIME-Version: 1.0 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.4 (mail.baldwin.cx [0.0.0.0]); Mon, 09 Oct 2023 14:36:42 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.103.1 at mail.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-12.0 required=5.0 tests=BAYES_00, FORGED_SPF_HELO, GIT_PATCH_0, KAM_DMARC_STATUS, KHOP_HELO_FCRDNS, SPF_HELO_PASS, SPF_SOFTFAIL, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org 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+patchwork=sourceware.org@sourceware.org If this core dump note is present, use it to determine the layout of XSAVE register set notes. --- gdb/i386-fbsd-tdep.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gdb/i386-fbsd-tdep.c b/gdb/i386-fbsd-tdep.c index f8c2758c2b0..1789f3921fd 100644 --- a/gdb/i386-fbsd-tdep.c +++ b/gdb/i386-fbsd-tdep.c @@ -266,7 +266,8 @@ i386_fbsd_core_read_xsave_info (bfd *abfd, x86_xsave_layout &layout) uint64_t xcr0 = bfd_get_64 (abfd, contents); - if (!i387_guess_xsave_layout (xcr0, size, layout)) + if (!i387_read_xsave_layout_from_core (abfd, xcr0, size, layout) + && !i387_guess_xsave_layout (xcr0, size, layout)) return 0; return xcr0;