From patchwork Fri Jul 26 18:26:23 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 262228 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3643D2C00EC for ; Sat, 27 Jul 2013 04:26:53 +1000 (EST) Received: from localhost ([::1]:56126 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2mj4-0001iB-7B for incoming@patchwork.ozlabs.org; Fri, 26 Jul 2013 14:26:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49023) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2mii-0001di-E6 for qemu-devel@nongnu.org; Fri, 26 Jul 2013 14:26:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V2mih-0000F0-Cn for qemu-devel@nongnu.org; Fri, 26 Jul 2013 14:26:28 -0400 Received: from thoth.sbs.de ([192.35.17.2]:22958) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V2mih-0000Ek-2h for qemu-devel@nongnu.org; Fri, 26 Jul 2013 14:26:27 -0400 Received: from mail1.siemens.de (localhost [127.0.0.1]) by thoth.sbs.de (8.13.6/8.13.6) with ESMTP id r6QIQNK3030729; Fri, 26 Jul 2013 20:26:23 +0200 Received: from mchn199C.mchp.siemens.de ([139.25.40.156]) by mail1.siemens.de (8.13.6/8.13.6) with ESMTP id r6QIQN6p019687; Fri, 26 Jul 2013 20:26:23 +0200 Message-ID: <51F2BF4F.8030107@siemens.com> Date: Fri, 26 Jul 2013 20:26:23 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Anthony Liguori References: <51E65168.5080907@siemens.com> In-Reply-To: <51E65168.5080907@siemens.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x X-Received-From: 192.35.17.2 Cc: qemu-devel , Fabien Chouteau Subject: [Qemu-devel] [PATCH v2 1/2] Add GDB qAttached support X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org With this patch QEMU handles qAttached request from gdb. When QEMU replies 1, GDB sends a "detach" command at the end of a debugging session otherwise GDB sends "kill". The default value for qAttached is 1 on system emulation and 0 on user emulation. Based on original version by Fabien Chouteau. Signed-off-by: Jan Kiszka --- v2: Rebase over master gdbstub.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 35ca7c2..4a6cc51 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -42,6 +42,12 @@ #include "sysemu/kvm.h" #include "qemu/bitops.h" +#ifdef CONFIG_USER_ONLY +#define GDB_ATTACHED "0" +#else +#define GDB_ATTACHED "1" +#endif + static inline int target_memory_rw_debug(CPUState *cpu, target_ulong addr, uint8_t *buf, int len, bool is_write) { @@ -2489,6 +2495,10 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) break; } #endif + if (strncmp(p, "Attached", 8) == 0) { + put_packet(s, GDB_ATTACHED); + break; + } /* Unrecognised 'q' command. */ goto unknown_command;