From nobody Wed Nov 5 23:47:22 2025 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) 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=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1538395593050205.88040132342007; Mon, 1 Oct 2018 05:06:33 -0700 (PDT) Received: from localhost ([::1]:37888 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g6wy7-0002qJ-By for importer@patchew.org; Mon, 01 Oct 2018 08:06:31 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35053) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g6wpT-0002RB-Ak for qemu-devel@nongnu.org; Mon, 01 Oct 2018 07:57:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g6wpQ-0005oQ-Ms for qemu-devel@nongnu.org; Mon, 01 Oct 2018 07:57:35 -0400 Received: from greensocs.com ([193.104.36.180]:40118) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g6wpM-0005gZ-Gm; Mon, 01 Oct 2018 07:57:28 -0400 Received: from localhost (localhost [127.0.0.1]) by greensocs.com (Postfix) with ESMTP id 81212511C78; Mon, 1 Oct 2018 13:57:13 +0200 (CEST) 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 tfxcJ3NWPSMk; Mon, 1 Oct 2018 13:57:12 +0200 (CEST) Received: by greensocs.com (Postfix, from userid 998) id A54E1511C73; Mon, 1 Oct 2018 13:57:09 +0200 (CEST) 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 3ED12511C59; Mon, 1 Oct 2018 13:57:09 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1538395033; bh=M8REKNwH4qFmyvROFKIcRtEkSK+Yf801vnRgI3pzY/M=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=l+66bg53Qucf36Iuozr4p9qrLHroZUTcEyFqbLMLKhnvQ3mnSw5om4yxNc5cV9g0L cJa4fXdPlLdvkJWcvEvFN886bv4j/BecHItGl4cc71xQaEokKUx6v7wF9kG7W7dOD+ RNMXXr+PWcnY7dQF0pt0Q9+JxZ1WB/CcmSAHxkLI= 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=OWq0iBM0; dkim=pass (1024-bit key) header.d=greensocs.com header.b=OWq0iBM0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1538395029; bh=M8REKNwH4qFmyvROFKIcRtEkSK+Yf801vnRgI3pzY/M=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OWq0iBM0ZUZTLTGAxVgL8xDHzmijtcmFxhrIkLOgFYekv3uKYfwPbgcUmdtjkuMRh 5C1BbftgIrHf4vkj6uBSHJSXlKJu2ZWZT7IPvw35H73jgoUbvypmx0cqE3z9pMkH5r 4hzQ+Ns2rNXqeVUae2GpscOyndcA/u3FPRXf/+ZQ= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1538395029; bh=M8REKNwH4qFmyvROFKIcRtEkSK+Yf801vnRgI3pzY/M=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OWq0iBM0ZUZTLTGAxVgL8xDHzmijtcmFxhrIkLOgFYekv3uKYfwPbgcUmdtjkuMRh 5C1BbftgIrHf4vkj6uBSHJSXlKJu2ZWZT7IPvw35H73jgoUbvypmx0cqE3z9pMkH5r 4hzQ+Ns2rNXqeVUae2GpscOyndcA/u3FPRXf/+ZQ= From: Luc Michel To: qemu-devel@nongnu.org Date: Mon, 1 Oct 2018 13:56:57 +0200 Message-Id: <20181001115704.701-9-luc.michel@greensocs.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181001115704.701-1-luc.michel@greensocs.com> References: <20181001115704.701-1-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 v2 08/15] gdbstub: add multiprocess support to gdb_vm_state_change() 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 , 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) X-ZohoMail: RDKM_2 RSF_6 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Add support for multiprocess extension in gdb_vm_state_change() function. Signed-off-by: Luc Michel Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- gdbstub.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 9065e8e140..c1a02c34cd 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1692,10 +1692,11 @@ void gdb_set_stop_cpu(CPUState *cpu) static void gdb_vm_state_change(void *opaque, int running, RunState state) { GDBState *s =3D gdbserver_state; CPUState *cpu =3D s->c_cpu; char buf[256]; + char thread_id[16]; const char *type; int ret; =20 if (running || s->state =3D=3D RS_INACTIVE) { return; @@ -1703,10 +1704,18 @@ static void gdb_vm_state_change(void *opaque, int r= unning, RunState state) /* Is there a GDB syscall waiting to be sent? */ if (s->current_syscall_cb) { put_packet(s, s->syscall_buf); return; } + + if (cpu =3D=3D NULL) { + /* No process attached */ + return; + } + + gdb_fmt_thread_id(s, cpu, thread_id, sizeof(thread_id)); + switch (state) { case RUN_STATE_DEBUG: if (cpu->watchpoint_hit) { switch (cpu->watchpoint_hit->flags & BP_MEM_ACCESS) { case BP_MEM_READ: @@ -1720,12 +1729,12 @@ static void gdb_vm_state_change(void *opaque, int r= unning, RunState state) break; } trace_gdbstub_hit_watchpoint(type, cpu_gdb_index(cpu), (target_ulong)cpu->watchpoint_hit->vaddr); snprintf(buf, sizeof(buf), - "T%02xthread:%02x;%swatch:" TARGET_FMT_lx ";", - GDB_SIGNAL_TRAP, cpu_gdb_index(cpu), type, + "T%02xthread:%s;%swatch:" TARGET_FMT_lx ";", + GDB_SIGNAL_TRAP, thread_id, type, (target_ulong)cpu->watchpoint_hit->vaddr); cpu->watchpoint_hit =3D NULL; goto send_packet; } else { trace_gdbstub_hit_break(); @@ -1763,11 +1772,11 @@ static void gdb_vm_state_change(void *opaque, int r= unning, RunState state) trace_gdbstub_hit_unknown(state); ret =3D GDB_SIGNAL_UNKNOWN; break; } gdb_set_stop_cpu(cpu); - snprintf(buf, sizeof(buf), "T%02xthread:%02x;", ret, cpu_gdb_index(cpu= )); + snprintf(buf, sizeof(buf), "T%02xthread:%s;", ret, thread_id); =20 send_packet: put_packet(s, buf); =20 /* disable single step if it was enabled */ --=20 2.19.0