From nobody Sat Feb 7 07:30:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=reject dis=none) header.from=yodel.dev ARC-Seal: i=1; a=rsa-sha256; t=1768528038; cv=none; d=zohomail.com; s=zohoarc; b=CbuP28XaxnOz7RKwydB3LA5MHwcA581q0IBpbwA86IK2KYPX0CrciNnn0XpgADGD0uryXiy4w6vMIHCZkYM3U0ObPljRlJV43/ZuPZsD8jMBqct/rvj8LGi5++Kz1PJnCSXsk6GKCyvhKS1c/0JgUvpFlGdAStEWUtQe98vege4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768528038; 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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=qDz9Tgb8Mfo5Sgdp3qif/5BgN8SzBhXDPm5V4Lv8Uhs=; b=EDfVbj2PgcITaxIW97fuKMgBh3U2VVaAwY9lzwT7M+an8LRRiKeLwV5yo/gcJ0yqlCDgMfWyKlbkf3YZcq5D+aKWLM2+WFlsIcCSVkY+s2lzpR6/VUFJUNWtiOKIrskNGbzacEplUTM4knn2N65x1DiO0QOnSqbpktoc2BXw7mc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1768528038600999.2114748873158; Thu, 15 Jan 2026 17:47:18 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vgYvJ-0000wj-Lw; Thu, 15 Jan 2026 20:46:49 -0500 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 1vgYvE-0000tj-Jb for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:44 -0500 Received: from k57.kb8c70eb.use4.send.mailgun.net ([204.220.184.57]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vgYvC-0000NP-Ts for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:44 -0500 Received: from mail.yodel.dev (mail.yodel.dev [35.209.39.246]) by c8fc28ba1c5f09dd064e927860b232e16d225bfb57441d43028ffa272cd9ed93 with SMTP id 69699879a73c4f5662bb64d6; Fri, 16 Jan 2026 01:46:33 GMT X-Mailgun-Sid: WyI4ZDFlNiIsInFlbXUtZGV2ZWxAbm9uZ251Lm9yZyIsIjk3NjA3ZSJd X-Mailgun-Sending-Ip: 204.220.184.57 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yodel.dev; s=rsa2048; t=1768527992; bh=qDz9Tgb8Mfo5Sgdp3qif/5BgN8SzBhXDPm5V4Lv8Uhs=; h=X-Mailgun-Dkim:From:To:Cc:Subject:Date:Message-ID:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:From:Reply-to: Subject:Date:Message-id:To:Cc:Mime-version:Content-type: Content-transfer-encoding:In-reply-to:References; b=ma7x/5VQNMJnqXwoIFLuM2bDBOWHrgPMWiZSexFCmN6Wudggf4KJif/zhN198ioSY zxoAGmVxELYOwTvsGAw4sz/PtwGLLYL4BkRT9DB+wImYm/Qgki8rLdvvGCF3JpQbbk BvPnXFnJFMqTLcpyMtkro1jioow/Bt3zWwHTH7ZTUWt3iA1ETndV1pXm4fyA/YX9LF st40GLAytucILLdnTCcAjyQ650okb4SD8BC1KZrVMuWyhkm21ausJxv9Bqe7dPa/Hs C52B07uv4MfQpEHGVtfsCGvdhRgOIXioYfzuGwdEuHDSd16d0UzVw8pNKIkG+AT54g oKcXo26Qm3tlw== X-Mailgun-Dkim: no X-Mailgun-Dkim: no From: Yodel Eldar To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , Richard Henderson , Dominik Disconnect3d Czarnota , Yodel Eldar Subject: [PATCH v3 1/3] include/gdbstub/syscalls: Add EIO and ENOSYS GDB File-I/O errno values Date: Thu, 15 Jan 2026 19:46:10 -0600 Message-ID: <20260116014612.226183-2-yodel.eldar@yodel.dev> In-Reply-To: <20260116014612.226183-1-yodel.eldar@yodel.dev> References: <20260116014612.226183-1-yodel.eldar@yodel.dev> MIME-Version: 1.0 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 (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=204.220.184.57; envelope-from=bounce+0e9322.97607e-qemu-devel=nongnu.org@yodel.dev; helo=k57.kb8c70eb.use4.send.mailgun.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yodel.dev) X-ZM-MESSAGEID: 1768528040877158500 Content-Type: text/plain; charset="utf-8" This patch adds the EIO and ENOSYS errno values that were missing from the GDB Manual [1] when the other errno values were defined. [1] https://sourceware.org/gdb/current/onlinedocs/gdb.html/Errno-Values.html Reviewed-by: Richard Henderson Signed-off-by: Yodel Eldar Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- include/gdbstub/syscalls.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/gdbstub/syscalls.h b/include/gdbstub/syscalls.h index d63228e96b..6200416f77 100644 --- a/include/gdbstub/syscalls.h +++ b/include/gdbstub/syscalls.h @@ -22,6 +22,7 @@ #define GDB_EPERM 1 #define GDB_ENOENT 2 #define GDB_EINTR 4 +#define GDB_EIO 5 #define GDB_EBADF 9 #define GDB_EACCES 13 #define GDB_EFAULT 14 @@ -37,6 +38,7 @@ #define GDB_ENOSPC 28 #define GDB_ESPIPE 29 #define GDB_EROFS 30 +#define GDB_ENOSYS 88 #define GDB_ENAMETOOLONG 91 #define GDB_EUNKNOWN 9999 =20 --=20 2.52.0 From nobody Sat Feb 7 07:30:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=reject dis=none) header.from=yodel.dev ARC-Seal: i=1; a=rsa-sha256; t=1768528047; cv=none; d=zohomail.com; s=zohoarc; b=h6wH1lITcKT1a8/PYycppfdhr6iTBoiU07+mMiaU9x4mJIeOw+zsSENZp3sPX/tLELn6o/+TKd9rMdgxUHLLnNhdUhxI2ujXQg23+mQp3BXLsen19V1Q48VjejBP6E7hBRzd53offdnq5Lq7qx1aTQzVIh3mECpKx2n/z3GO8CQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768528047; 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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=itrmGXYS2hXeVHcX4IdA5yYDi6xDh9sSyb12JTpWnMY=; b=EXwPFg1cSNYq9d//aocU8ds3iey/hZtjtwqtxqBJ5bsZ0OJHc6NX2shbbu41cH8RoULdI3110FXEKBuy8mmNqOSmuC0c4YIYfDXX7gBdZb9GTNXRgFOqTVkuMQRDo8a4xvaxmlqqNMeXkm/fm85n6tRY1IZ4scpuSVRNxgE7x9M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1768528047730381.21833926550323; Thu, 15 Jan 2026 17:47:27 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vgYvJ-0000wk-PK; Thu, 15 Jan 2026 20:46:49 -0500 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 1vgYvG-0000ud-7O for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:47 -0500 Received: from k62.kb8c70eb.use4.send.mailgun.net ([204.220.184.62]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vgYvC-0000NQ-RT for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:45 -0500 Received: from mail.yodel.dev (mail.yodel.dev [35.209.39.246]) by cad0cebcd768843fd51d305414832d0b6da05acbafe8094d47580c8c19531652 with SMTP id 69699879588bf5e27b25d567; Fri, 16 Jan 2026 01:46:33 GMT X-Mailgun-Sid: WyI4ZDFlNiIsInFlbXUtZGV2ZWxAbm9uZ251Lm9yZyIsIjk3NjA3ZSJd X-Mailgun-Sending-Ip: 204.220.184.62 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yodel.dev; s=rsa2048; t=1768527993; bh=itrmGXYS2hXeVHcX4IdA5yYDi6xDh9sSyb12JTpWnMY=; h=X-Mailgun-Dkim:From:To:Cc:Subject:Date:Message-ID:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:From:Reply-to: Subject:Date:Message-id:To:Cc:Mime-version:Content-type: Content-transfer-encoding:In-reply-to:References; b=bqHuZYLiPhr4uW42/2kX5DGEBkkJbALbVp4fUp50dnug4bBkkPmIvK3WpDM/+Nwzo 5T5OnqcRUy0ZelgDTkQtR5/YEq+BSAI+ju90TPFA1u08c3woR7WSDfqHns+5st+A4Z jhbMem62LAwTKYMt/UhDUUW750ZjXtaJIub4GJbwRZawnOKJtrRvXVHrH3zDwd1V9D Dy3gp1Wrj2EGI7HC4+UHI1Ns2Xlexj4X97tP8ubXi3KZevUyZU15bslgPgdRCSUXtI BQl2AZ1uFDPw01MHrdVokUODZ5FyuVmJCY+Ievk3nBEFmjaqLQfjPrVuS6FLCb+UIX tzRy7H1s/vOfw== X-Mailgun-Dkim: no X-Mailgun-Dkim: no From: Yodel Eldar To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , Richard Henderson , Dominik Disconnect3d Czarnota , Yodel Eldar Subject: [PATCH v3 2/3] gdbstub: Export host_to_gdb_errno File-I/O helper function Date: Thu, 15 Jan 2026 19:46:11 -0600 Message-ID: <20260116014612.226183-3-yodel.eldar@yodel.dev> In-Reply-To: <20260116014612.226183-1-yodel.eldar@yodel.dev> References: <20260116014612.226183-1-yodel.eldar@yodel.dev> MIME-Version: 1.0 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 (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=204.220.184.62; envelope-from=bounce+0e9322.97607e-qemu-devel=nongnu.org@yodel.dev; helo=k62.kb8c70eb.use4.send.mailgun.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yodel.dev) X-ZM-MESSAGEID: 1768528048407158500 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. Reviewed-by: Richard Henderson Signed-off-by: Yodel Eldar Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- 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 d8bb90cc1c..15050984a0 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 578a08dfee..bdc798a28c 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 2.52.0 From nobody Sat Feb 7 07:30:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=reject dis=none) header.from=yodel.dev ARC-Seal: i=1; a=rsa-sha256; t=1768528038; cv=none; d=zohomail.com; s=zohoarc; b=Iig30/92itLijE5sFnX0udlGPtnf9I2VAExRSARpEnU9Et2YSrA6hDt+bIh5VIBYPTUGh35ntuxjDzMWqy1nLLPX6t4jtooLNDGBxrtcdosTQEaZ5A5dJvif/T3pJx+Ggar8MEzuBOFDvOfkuhnQHoIXhl5IlvPxb481D4m4+b4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768528038; 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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=gAN3Y5SV5SlPLFmcCVzEMCphX2dQx2LOgVwQXPYMOmc=; b=Xzm1okT4zmUFyYa0h/aiMygNr2eFLH4yOCw9sOm13oVMLvVpOMIjUXpO9prh37VOxP2zEqP9lvdxd0PXUP6ZX4HBsxCaUKySauNYSt2L/3K/3nq/zovseQGKxlRFH8iHfncJH6wu9eD3xeh9FQnVV4Cs/u7ebcZwZg/UfWGMUcM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1768528038224387.8045525963149; Thu, 15 Jan 2026 17:47:18 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vgYvK-0000xf-MP; Thu, 15 Jan 2026 20:46:51 -0500 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 1vgYvF-0000uR-MA for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:47 -0500 Received: from k57.kb8c70eb.use4.send.mailgun.net ([204.220.184.57]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vgYvC-0000NV-Uh for qemu-devel@nongnu.org; Thu, 15 Jan 2026 20:46:45 -0500 Received: from mail.yodel.dev (mail.yodel.dev [35.209.39.246]) by cad0cebcd768843fd51d305414832d0b6da05acbafe8094d47580c8c19531652 with SMTP id 6969987a834a10b0f0ab9013; Fri, 16 Jan 2026 01:46:34 GMT X-Mailgun-Sid: WyI4ZDFlNiIsInFlbXUtZGV2ZWxAbm9uZ251Lm9yZyIsIjk3NjA3ZSJd X-Mailgun-Sending-Ip: 204.220.184.57 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yodel.dev; s=rsa2048; t=1768527993; bh=gAN3Y5SV5SlPLFmcCVzEMCphX2dQx2LOgVwQXPYMOmc=; h=X-Mailgun-Dkim:From:To:Cc:Subject:Date:Message-ID:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:From:Reply-to: Subject:Date:Message-id:To:Cc:Mime-version:Content-type: Content-transfer-encoding:In-reply-to:References; b=gaZxgqtT0eNavgx+DrrldhjCW4bqYirZhEoU74zQvYlQTDmaUCGsoZ4/wypmi3LWK eZlmPNJemVf+hzZ65nea15haiuvIa87q28Jtu+PDzUwD6yY1SDBNyJtC0xQ3ZYwOUd dpR2corv8gQZtsfBwUV0QK6jGlZ9NOUdsMmixvPHl5/aqrhMBDTCTASNhHZoFiY+BJ UmD7kGLkWUucB2pk+uSFG7Isjw0vNMz//h0yPfmXWRr0zzn+oUS9gaslLjj8FKZrAP EC0i3ARabpLBR4d8eigy8T90gLT3rAjjxt5HUP12rc99xpP/Rxevd7hsWxC5oP5J9f t/FHTwTDolLRg== X-Mailgun-Dkim: no X-Mailgun-Dkim: no From: Yodel Eldar To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , Richard Henderson , Dominik Disconnect3d Czarnota , Yodel Eldar Subject: [PATCH v3 3/3] gdbstub/user-target: Convert host errno to GDB File-I/O errno Date: Thu, 15 Jan 2026 19:46:12 -0600 Message-ID: <20260116014612.226183-4-yodel.eldar@yodel.dev> In-Reply-To: <20260116014612.226183-1-yodel.eldar@yodel.dev> References: <20260116014612.226183-1-yodel.eldar@yodel.dev> MIME-Version: 1.0 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 (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=204.220.184.57; envelope-from=bounce+0e9322.97607e-qemu-devel=nongnu.org@yodel.dev; helo=k57.kb8c70eb.use4.send.mailgun.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yodel.dev) X-ZM-MESSAGEID: 1768528040866158500 Content-Type: text/plain; charset="utf-8" Use host_to_gdb_errno to convert host-supplied errnos to their GDB File-I/O remote protocol values, and use them in F reply packets. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2751 Reported-by: Dominik 'Disconnect3d' Czarnota Signed-off-by: Yodel Eldar Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- gdbstub/user-target.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/gdbstub/user-target.c b/gdbstub/user-target.c index 43231e695e..7ef0282f70 100644 --- a/gdbstub/user-target.c +++ b/gdbstub/user-target.c @@ -10,6 +10,7 @@ #include "qemu/osdep.h" #include "exec/gdbstub.h" #include "gdbstub/commands.h" +#include "gdbstub/syscalls.h" #include "qemu.h" #include "internals.h" #ifdef CONFIG_LINUX @@ -315,7 +316,8 @@ void gdb_handle_v_file_open(GArray *params, void *user_= ctx) int fd =3D open(filename, flags, mode); #endif if (fd < 0) { - g_string_printf(gdbserver_state.str_buf, "F-1,%x", errno); + int gdb_errno =3D host_to_gdb_errno(errno); + g_string_printf(gdbserver_state.str_buf, "F-1,%x", gdb_errno); } else { g_string_printf(gdbserver_state.str_buf, "F%x", fd); } @@ -327,7 +329,8 @@ void gdb_handle_v_file_close(GArray *params, void *user= _ctx) int fd =3D gdb_get_cmd_param(params, 0)->val_ul; =20 if (close(fd) =3D=3D -1) { - g_string_printf(gdbserver_state.str_buf, "F-1,%x", errno); + int gdb_errno =3D host_to_gdb_errno(errno); + g_string_printf(gdbserver_state.str_buf, "F-1,%x", gdb_errno); gdb_put_strbuf(); return; } @@ -350,7 +353,8 @@ void gdb_handle_v_file_pread(GArray *params, void *user= _ctx) =20 ssize_t n =3D pread(fd, buf, bufsiz, offset); if (n < 0) { - g_string_printf(gdbserver_state.str_buf, "F-1,%x", errno); + int gdb_errno =3D host_to_gdb_errno(errno); + g_string_printf(gdbserver_state.str_buf, "F-1,%x", gdb_errno); gdb_put_strbuf(); return; } @@ -373,7 +377,8 @@ void gdb_handle_v_file_readlink(GArray *params, void *u= ser_ctx) ssize_t n =3D readlink(filename, buf, BUFSIZ); #endif if (n < 0) { - g_string_printf(gdbserver_state.str_buf, "F-1,%x", errno); + int gdb_errno =3D host_to_gdb_errno(errno); + g_string_printf(gdbserver_state.str_buf, "F-1,%x", gdb_errno); gdb_put_strbuf(); return; } --=20 2.52.0