From nobody Thu Nov 6 14:40:06 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1541503217046746.4043658826325; Tue, 6 Nov 2018 03:20:17 -0800 (PST) Received: from localhost ([::1]:40370 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gJzOt-00066P-9V for importer@patchew.org; Tue, 06 Nov 2018 06:20:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49171) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gJzC5-0006jn-U5 for qemu-devel@nongnu.org; Tue, 06 Nov 2018 06:06:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gJzC0-0001cM-59 for qemu-devel@nongnu.org; Tue, 06 Nov 2018 06:06:49 -0500 Received: from greensocs.com ([193.104.36.180]:46751) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gJzBs-0000rC-PF; Tue, 06 Nov 2018 06:06:37 -0500 Received: from localhost (localhost [127.0.0.1]) by greensocs.com (Postfix) with ESMTP id 5235F5C025F; Tue, 6 Nov 2018 12:06:15 +0100 (CET) Received: from greensocs.com ([127.0.0.1]) by localhost (gs-01.greensocs.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JkPd5eGj574G; Tue, 6 Nov 2018 12:06:14 +0100 (CET) Received: by greensocs.com (Postfix, from userid 998) id 962215C026D; Tue, 6 Nov 2018 12:06:10 +0100 (CET) Received: from michell-laptop.home.lmichel.fr (lfbn-1-8165-82.w90-112.abo.wanadoo.fr [90.112.74.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: luc.michel@greensocs.com) by greensocs.com (Postfix) with ESMTPSA id 209665C0279; Tue, 6 Nov 2018 12:06:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1541502375; bh=gqBhDPpxGlbslzJ48Mohw6BqhBqD+2sU66wHvcW48ag=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=o+JG0tIKnp+9O4yIfD9IQl81k6mQba/WPItPEPiNEF69w8TUps/l+NSd0+oPl99D2 vUFqANGc3VPzHBPLeSB8WcdxGYTdxe0JXCnz7HrZmQQoCtFq8ji4+QdiFnvTpKAJDX wkFzZcmt80FArHUGPXmvUp4Q/mnvSRTzz7nf812E= X-Virus-Scanned: amavisd-new at greensocs.com Authentication-Results: gs-01.greensocs.com (amavisd-new); dkim=pass (1024-bit key) header.d=greensocs.com header.b=VcvKCiMB; dkim=pass (1024-bit key) header.d=greensocs.com header.b=VcvKCiMB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1541502370; bh=gqBhDPpxGlbslzJ48Mohw6BqhBqD+2sU66wHvcW48ag=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VcvKCiMBw9oI7xXa2XZomltzMrJZI21jZJT8COJ8O7F3zJodzgwvT6Q8PoyJhp1Pf 50bD3AGen89Gmzgr0UG4SvcKoWJuQh8gmfPLYOUzvfE8gkEXk8/mjKlSwdaQcq88m0 r2YOeMpZOAo6Iawr/6aZJxfm6Y3XyXv22RIh/0CU= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1541502370; bh=gqBhDPpxGlbslzJ48Mohw6BqhBqD+2sU66wHvcW48ag=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VcvKCiMBw9oI7xXa2XZomltzMrJZI21jZJT8COJ8O7F3zJodzgwvT6Q8PoyJhp1Pf 50bD3AGen89Gmzgr0UG4SvcKoWJuQh8gmfPLYOUzvfE8gkEXk8/mjKlSwdaQcq88m0 r2YOeMpZOAo6Iawr/6aZJxfm6Y3XyXv22RIh/0CU= From: Luc Michel To: qemu-devel@nongnu.org Date: Tue, 6 Nov 2018 12:05:45 +0100 Message-Id: <20181106110548.4209-14-luc.michel@greensocs.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181106110548.4209-1-luc.michel@greensocs.com> References: <20181106110548.4209-1-luc.michel@greensocs.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 193.104.36.180 Subject: [Qemu-devel] [PATCH v4 13/16] gdbstub: processes initialization on new peer connection 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: , Cc: Peter Maydell , Eduardo Habkost , alistair@alistair23.me, mark.burton@greensocs.com, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , saipava@xilinx.com, edgari@xilinx.com, qemu-arm@nongnu.org, Luc Michel Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (found 2 invalid signatures) Content-Type: text/plain; charset="utf-8" When a new connection is established, we set the first process to be attached, and the others detached. The first CPU of the first process is selected as the current CPU. Signed-off-by: Luc Michel Reviewed-by: Alistair Francis --- gdbstub.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index ba365808db..1a3353ff3c 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -2245,13 +2245,14 @@ static bool gdb_accept(void) close(fd); return false; } =20 s =3D g_malloc0(sizeof(GDBState)); - s->c_cpu =3D first_cpu; - s->g_cpu =3D first_cpu; create_unique_process(s); + s->processes[0].attached =3D true; + s->c_cpu =3D gdb_first_cpu(s); + s->g_cpu =3D s->c_cpu; s->fd =3D fd; gdb_has_xml =3D false; =20 gdbserver_state =3D s; return true; @@ -2333,12 +2334,23 @@ static void gdb_chr_receive(void *opaque, const uin= t8_t *buf, int size) } } =20 static void gdb_chr_event(void *opaque, int event) { + int i; + GDBState *s =3D (GDBState *) opaque; + switch (event) { case CHR_EVENT_OPENED: + /* Start with first process attached, others detached */ + for (i =3D 0; i < s->process_num; i++) { + s->processes[i].attached =3D !i; + } + + s->c_cpu =3D gdb_first_cpu(s); + s->g_cpu =3D s->c_cpu; + vm_stop(RUN_STATE_PAUSED); gdb_has_xml =3D false; break; default: break; @@ -2513,19 +2525,17 @@ int gdbserver_start(const char *device) mon_chr =3D s->mon_chr; cleanup_processes(s); memset(s, 0, sizeof(GDBState)); s->mon_chr =3D mon_chr; } - s->c_cpu =3D first_cpu; - s->g_cpu =3D first_cpu; =20 create_processes(s); =20 if (chr) { qemu_chr_fe_init(&s->chr, chr, &error_abort); qemu_chr_fe_set_handlers(&s->chr, gdb_chr_can_receive, gdb_chr_rec= eive, - gdb_chr_event, NULL, NULL, NULL, true); + gdb_chr_event, NULL, s, NULL, true); } s->state =3D chr ? RS_IDLE : RS_INACTIVE; s->mon_chr =3D mon_chr; s->current_syscall_cb =3D NULL; =20 --=20 2.19.1