From nobody Fri Nov 14 18:24:40 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1760735638; cv=none; d=zohomail.com; s=zohoarc; b=NQMPLgW66VM4otfcsH5G2bErq6esXsQzpK2XZJyzcAuXzHs5U5lahWq7NC/Owt8UkAFTvLtWJKaMtPpL8gSKCdybD4Fm9qV15lT45aQzgX4oyOYqa2Nd8WBST4VQNAgoWKCGXTboyCNZZakEbFnCHUwEy57BEaWHws/JDaTsUzg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1760735638; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=7RaMqVq9LVHB5AkvPy1Ho3/qstErFKHAfQLACcNmNO4=; b=YPaHxQMDdQxdJ+XBhMooaryx8vFpuPzipbtsNUVq0+UNWRGkVVqAI5Gu1aYK5Y99i/AHTVLWx9vtMUKmJTBnbXmYDpCAZhthF7UsOtIhVJhB+kVP/1qXWxYF0aP4RVojEEUPo1U6PQsMYl4yYxxU3y1sfpWl8jp7Cq4dcOlHdm8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1760735638170281.0559460100751; Fri, 17 Oct 2025 14:13:58 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v9rkZ-0003pk-AC; Fri, 17 Oct 2025 17:12:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v9rkW-0003pO-E2 for qemu-devel@nongnu.org; Fri, 17 Oct 2025 17:12:32 -0400 Received: from pc232-55.mailgun.net ([143.55.232.55]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1v9rkT-0005kq-2u for qemu-devel@nongnu.org; Fri, 17 Oct 2025 17:12:32 -0400 Received: from mail.yodel.dev (mail.yodel.dev [35.209.39.246]) by 1001765c7195ef6bfe8cebbd019a8be688a4339ff96cc184dd076cac1911cda9 with SMTP id 68f2b13393f3c68ae8e65114; Fri, 17 Oct 2025 21:12:19 GMT DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mail.yodel.dev; q=dns/txt; s=pdk1; t=1760735539; x=1760742739; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Subject: Cc: To: To: From: From: Sender: Sender; bh=7RaMqVq9LVHB5AkvPy1Ho3/qstErFKHAfQLACcNmNO4=; b=F+zIiUSMzhMczlPV13uOHzhAtrkLlQs1StT5rKpF2p+5Lz57KzhNUwZfQ8FJzzt0fNrwQk0oIFSWYP4zmicojPuzcT8zOaKUdTEo2c4mlRCQWMAhJdBGrZ2okq4a0gomSM28e2IrsicEE3YzIDb0o3eAmt5G6kCEKeZ6lxqNzHN45q0ylIIMNsicN+ag1HjUUZwUYTHUGWmAUpUNecqiGRDiXZotqFQA4K67/TR0lzMUteC/D3uRI0Lif9U6Czs3RpcvyRzd8vZYuDtRQtbORrJevXD6YCjaCf0R6EW4aQRLYE6sT0ZqIOihE/g1fbYc2wwr0bJE7IfoKuLiLQFkng== X-Mailgun-Sid: WyJjZmM4NiIsInFlbXUtZGV2ZWxAbm9uZ251Lm9yZyIsIjMzZTkyMCJd X-Mailgun-Sending-Ip: 143.55.232.55 To: qemu-devel@nongnu.org Cc: Yodel Eldar , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier Subject: [PATCH v2 2/3] gdbstub: Export host_to_gdb_errno File-I/O helper function Date: Fri, 17 Oct 2025 16:11:44 -0500 Message-ID: <20251017211149.163762-3-yodel.eldar@yodel.dev> In-Reply-To: <20251017211149.163762-1-yodel.eldar@yodel.dev> References: <20251017211149.163762-1-yodel.eldar@yodel.dev> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3105; i=yodel.eldar@yodel.dev; h=from:subject; bh=ALPbEMOWcHQOXutuQFJZ4q+7mixc5saDwW84TXMMKCc=; b=owGbwMvMwCU29Z3/drNU3zWMp9WSGDI+reB5IKSecTpN73XWYY3dZzNNWpa19L8Lmr/d40lOw LyQxi2LOkpZGMS4GGTFFFkun5U465C7uytt5Y/7MHNYmUCGMHBxCsBEWD4z/DPLZG3tqrtXsF5f qNwj1nDWv1gjn/n/ZodUzvXotDe90M3I0Lt2nkGXxK/d58y1DjsrbYq/FK+jFnJU9PiepGVL1x0 zYQUA X-Developer-Key: i=yodel.eldar@yodel.dev; a=openpgp; fpr=D3CD18CD406DBB8A66A9F8DF95EE4FB736654DAC Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=143.55.232.55; envelope-from=bounce+c033f0.33e920-qemu-devel=nongnu.org@mail.yodel.dev; helo=pc232-55.mailgun.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Yodel Eldar From: Yodel Eldar via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1760735641717154100 Content-Type: text/plain; charset="utf-8" Move host_to_gdb_errno from target/m68k/m68k-semi.c to gdbstub/syscalls.c. Declare it in include/gdbstub/syscalls.h. Add both newly added GDB File-I/O supported errno values, EIO and ENOSYS, to the mapping. Signed-off-by: Yodel Eldar Reviewed-by: Richard Henderson --- gdbstub/syscalls.c | 36 ++++++++++++++++++++++++++++++++++++ include/gdbstub/syscalls.h | 9 +++++++++ target/m68k/m68k-semi.c | 29 ----------------------------- 3 files changed, 45 insertions(+), 29 deletions(-) diff --git a/gdbstub/syscalls.c b/gdbstub/syscalls.c index e855df21ab..b166f4cc77 100644 --- a/gdbstub/syscalls.c +++ b/gdbstub/syscalls.c @@ -145,6 +145,42 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const = char *fmt, ...) gdb_syscall_handling(gdbserver_syscall_state.syscall_buf); } =20 +/* + * Map host error numbers to their GDB protocol counterparts. + * For the list of GDB File-I/O supported error numbers, please consult: + * https://sourceware.org/gdb/current/onlinedocs/gdb.html/Errno-Values.html + */ +int host_to_gdb_errno(int err) +{ +#define E(X) case E##X: return GDB_E##X + switch (err) { + E(PERM); + E(NOENT); + E(INTR); + E(IO); + E(BADF); + E(ACCES); + E(FAULT); + E(BUSY); + E(EXIST); + E(NODEV); + E(NOTDIR); + E(ISDIR); + E(INVAL); + E(NFILE); + E(MFILE); + E(FBIG); + E(NOSPC); + E(SPIPE); + E(ROFS); + E(NOSYS); + E(NAMETOOLONG); + default: + return GDB_EUNKNOWN; + } +#undef E +} + /* * GDB Command Handlers */ diff --git a/include/gdbstub/syscalls.h b/include/gdbstub/syscalls.h index 6200416f77..a09559128b 100644 --- a/include/gdbstub/syscalls.h +++ b/include/gdbstub/syscalls.h @@ -102,6 +102,15 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const = char *fmt, ...); */ int use_gdb_syscalls(void); =20 +/** + * host_to_gdb_errno: convert host errno to GDB errno value + * @err: errno from host + * + * Given an error number from the host, this helper function returns + * its GDB File-I/O specified representation. + */ +int host_to_gdb_errno(int err); + /** * gdb_exit: exit gdb session, reporting inferior status * @code: exit code reported diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c index 6fbbd140f3..e33fd6fedd 100644 --- a/target/m68k/m68k-semi.c +++ b/target/m68k/m68k-semi.c @@ -46,35 +46,6 @@ #define HOSTED_ISATTY 12 #define HOSTED_SYSTEM 13 =20 -static int host_to_gdb_errno(int err) -{ -#define E(X) case E##X: return GDB_E##X - switch (err) { - E(PERM); - E(NOENT); - E(INTR); - E(BADF); - E(ACCES); - E(FAULT); - E(BUSY); - E(EXIST); - E(NODEV); - E(NOTDIR); - E(ISDIR); - E(INVAL); - E(NFILE); - E(MFILE); - E(FBIG); - E(NOSPC); - E(SPIPE); - E(ROFS); - E(NAMETOOLONG); - default: - return GDB_EUNKNOWN; - } -#undef E -} - static void m68k_semi_u32_cb(CPUState *cs, uint64_t ret, int err) { CPUM68KState *env =3D cpu_env(cs); --=20 2.51.1.dirty