From: Luc Michel <luc.mic...@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 <luc.mic...@greensocs.com>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Message-id: 20181207090135.7651-7-luc.mic...@greensocs.com
[PMM: corrected checkpatch comment style nit]
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
gdbstub.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/gdbstub.c b/gdbstub.c
index 09114ea7769..1ba7aa6a28a 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1554,9 +1554,15 @@ static int gdb_handle_packet(GDBState *s, const char
*line_buf)
put_packet(s, "OK");
break;
} else if (strcmp(p,"C") == 0) {
- /* "Current thread" remains vague in the spec, so always return
- * the first CPU (gdb returns the first thread). */
- put_packet(s, "QC1");
+ /*
+ * "Current thread" remains vague in the spec, so always return
+ * the first thread of the current process (gdb returns the
+ * first thread).
+ */
+ cpu = 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") == 0) {
s->query_cpu = first_cpu;
--
2.19.2
