From nobody Tue Apr 15 14:47:28 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1546879738123657.4868835687085; Mon, 7 Jan 2019 08:48:58 -0800 (PST) Received: from localhost ([127.0.0.1]:46366 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ggY50-0001WV-9A for importer@patchew.org; Mon, 07 Jan 2019 11:48:46 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46290) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ggXoZ-0004zo-Ce for qemu-devel@nongnu.org; Mon, 07 Jan 2019 11:31:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ggXoX-000244-UW for qemu-devel@nongnu.org; Mon, 07 Jan 2019 11:31:47 -0500 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]:50232) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ggXoX-0001ud-Mn for qemu-devel@nongnu.org; Mon, 07 Jan 2019 11:31:45 -0500 Received: by mail-wm1-x32e.google.com with SMTP id n190so1470222wmd.0 for ; Mon, 07 Jan 2019 08:31:39 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id j14sm46039759wrv.96.2019.01.07.08.31.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 07 Jan 2019 08:31:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=abbJ5FA/JUv7csyawQdvW1uyv+APDRlsWcI4Kd6+/U8=; b=cBbURGE8Ilu0Tvg7AEHGJfbZ9LI8zcrhq+UXcnbKjlmbej134iafoBpB/ZhA/X+N5u M7pbrksEvYDKLS344qgmjKrjCi0ScFJCbodbKqJ+VK0UNfglb5rcH3+k5kNUkk/Yt0Gj eQF60LNtdpqIGJDwJ7ErTbuIuFI8cvmBbotsg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=abbJ5FA/JUv7csyawQdvW1uyv+APDRlsWcI4Kd6+/U8=; b=hTDZ+pXVuLm9uVXkuZg4VQkNA1Wt5ppb9sH8gv/RLFDkGhDuWoD9W3UoAuD5nwI2F6 E3z1/wgI2ulBY2k4wyEF3TQPJxaEyhW4mXKUokIEsXQX16pB96DlPDPuqHJ9lExDd/hT E7bcxYlMIylrvDqSweL3+QatNxAZgwVoR5CC2ekWnJrnzdism9ms6BeoWKoTou9oaLWg xXkZZ9rJ92oDdl8CU6dyRztiXKsmEtlQ+cn25EpspmH0Hm7iNhoMsX141iX2acQDf9P1 WJeCyOvftLcIw4vlVUCd4qcStg9SbYMthv8/prRcZ4hxLMCuKoXp7cCF7S7H/ECjgMz2 OxiA== X-Gm-Message-State: AJcUukdZ4WJwLHgSW8miiAZDZ3J5d8fK1TTHU5525MXIvjKrDHjZnk6X 8g0fPJCJUAUqbOTUX0I2as/kuwnlq4tIfg== X-Google-Smtp-Source: ALg8bN7T16HU9eQrDLBYndKhci21GJ4iOtrfeygKOxx4B43fE+0JE0mF9BtaEpCeteTCEfBCTYQCmA== X-Received: by 2002:a1c:8d53:: with SMTP id p80mr9953165wmd.68.1546878697990; Mon, 07 Jan 2019 08:31:37 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Date: Mon, 7 Jan 2019 16:30:54 +0000 Message-Id: <20190107163117.16269-15-peter.maydell@linaro.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190107163117.16269-1-peter.maydell@linaro.org> References: <20190107163117.16269-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::32e Subject: [Qemu-devel] [PULL 14/37] gdbstub: add support for vAttach packets X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Luc Michel Add support for the vAttach packets. In multiprocess mode, GDB sends them to attach to additional processes. Signed-off-by: Luc Michel Reviewed-by: Edgar E. Iglesias Acked-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20181207090135.7651-13-luc.michel@greensocs.com Signed-off-by: Peter Maydell --- gdbstub.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/gdbstub.c b/gdbstub.c index 9b6b4d20a02..d80af955cea 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1348,6 +1348,41 @@ static int gdb_handle_packet(GDBState *s, const char= *line_buf) goto unknown_command; } break; + } else if (strncmp(p, "Attach;", 7) =3D=3D 0) { + unsigned long pid; + + p +=3D 7; + + if (qemu_strtoul(p, &p, 16, &pid)) { + put_packet(s, "E22"); + break; + } + + process =3D gdb_get_process(s, pid); + + if (process =3D=3D NULL) { + put_packet(s, "E22"); + break; + } + + cpu =3D get_first_cpu_in_process(s, process); + + if (cpu =3D=3D NULL) { + /* Refuse to attach an empty process */ + put_packet(s, "E22"); + break; + } + + process->attached =3D true; + + s->g_cpu =3D cpu; + s->c_cpu =3D cpu; + + snprintf(buf, sizeof(buf), "T%02xthread:%s;", GDB_SIGNAL_TRAP, + gdb_fmt_thread_id(s, cpu, thread_id, sizeof(thread_id= ))); + + put_packet(s, buf); + break; } else { goto unknown_command; } --=20 2.19.2