From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35058) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g6wpT-0002RG-B7 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-0005nn-Ld for qemu-devel@nongnu.org; Mon, 01 Oct 2018 07:57:35 -0400 From: Luc Michel Date: Mon, 1 Oct 2018 13:56:54 +0200 Message-Id: <20181001115704.701-6-luc.michel@greensocs.com> In-Reply-To: <20181001115704.701-1-luc.michel@greensocs.com> References: <20181001115704.701-1-luc.michel@greensocs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v2 05/15] gdbstub: add multiprocess support to 'sC' packets List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Luc Michel , qemu-arm@nongnu.org, Peter Maydell , saipava@xilinx.com, edgari@xilinx.com, alistair@alistair23.me, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , mark.burton@greensocs.com Change the sC packet handling to support the multiprocess extension. Instead of returning the first thread, we return the first thread of the current process. Signed-off-by: Luc Michel Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- gdbstub.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 779cc8b241..3242f0d261 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1530,13 +1530,18 @@ static int gdb_handle_packet(GDBState *s, const c= har *line_buf) type =3D strtoul(p, (char **)&p, 16); sstep_flags =3D type; put_packet(s, "OK"); break; } else if (strcmp(p,"C") =3D=3D 0) { - /* "Current thread" remains vague in the spec, so always ret= urn - * the first CPU (gdb returns the first thread). */ - put_packet(s, "QC1"); + /* "Current thread" remains vague in the spec, so always ret= urn the + * first thread of the current process (gdb returns the firs= t + * thread). + */ + cpu =3D get_first_cpu_in_process(s, gdb_get_cpu_process(s, s= ->g_cpu)); + snprintf(buf, sizeof(buf), "QC%s", + gdb_fmt_thread_id(s, cpu, thread_id, sizeof(thread_= id))); + put_packet(s, buf); break; } else if (strcmp(p,"fThreadInfo") =3D=3D 0) { s->query_cpu =3D first_cpu; goto report_cpuinfo; } else if (strcmp(p,"sThreadInfo") =3D=3D 0) { --=20 2.19.0