From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48997) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gJzBp-0006Ur-0x for qemu-devel@nongnu.org; Tue, 06 Nov 2018 06:06:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gJzBj-00010z-0A for qemu-devel@nongnu.org; Tue, 06 Nov 2018 06:06:32 -0500 From: Luc Michel Date: Tue, 6 Nov 2018 12:05:38 +0100 Message-Id: <20181106110548.4209-7-luc.michel@greensocs.com> In-Reply-To: <20181106110548.4209-1-luc.michel@greensocs.com> References: <20181106110548.4209-1-luc.michel@greensocs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v4 06/16] 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, Eduardo Habkost 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 Reviewed-by: Alistair Francis --- gdbstub.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index ba8b1a3413..9be83486f5 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1546,13 +1546,18 @@ 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 2.19.1