Re: [Qemu-devel] [PATCH v6 15/16] gdbstub: add multiprocess extension support

From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
To: Luc Michel <luc.michel@greensocs.com>
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org,
	"Peter Maydell" <peter.maydell@linaro.org>,
	saipava@xilinx.com, edgari@xilinx.com, alistair@alistair23.me,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	mark.burton@greensocs.com,
	"Eduardo Habkost" <ehabkost@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v6 15/16] gdbstub: add multiprocess extension support
Date: Fri, 16 Nov 2018 11:14:38 +0100	[thread overview]
Message-ID: <20181116101438.GY7447@toto> (raw)
In-Reply-To: <20181115094207.22846-16-luc.michel@greensocs.com>

On Thu, Nov 15, 2018 at 10:42:06AM +0100, Luc Michel wrote:
> Add multiprocess extension support by enabling multiprocess mode when
> the peer requests it, and by replying that we actually support it in the
> qSupported reply packet.
> 
> Signed-off-by: Luc Michel <luc.michel@greensocs.com>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Acked-by: Alistair Francis <alistair.francis@wdc.com>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

> ---
>  gdbstub.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/gdbstub.c b/gdbstub.c
> index 89819a6a72..e0b844c040 100644
> --- a/gdbstub.c
> +++ b/gdbstub.c
> @@ -1721,10 +1721,16 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
>              snprintf(buf, sizeof(buf), "PacketSize=%x", MAX_PACKET_LENGTH);
>              cc = CPU_GET_CLASS(first_cpu);
>              if (cc->gdb_core_xml_file != NULL) {
>                  pstrcat(buf, sizeof(buf), ";qXfer:features:read+");
>              }
> +
> +            if (strstr(p, "multiprocess+")) {
> +                s->multiprocess = true;
> +            }
> +            pstrcat(buf, sizeof(buf), ";multiprocess+");
> +
>              put_packet(s, buf);
>              break;
>          }
>          if (strncmp(p, "Xfer:features:read:", 19) == 0) {
>              const char *xml;
> -- 
> 2.19.1
> 