From: Tomas Vanek <vanekt@fbl.cz>
Date: Sun, 18 May 2025 19:25:35 +0000 (+0200)
Subject: server/gdb_server: do not discard Ctrl-C if _DEBUG_GDB_IO_
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bde7e86e8eb74097880af2cab81444b250712b18;p=users%2Fborneoa%2Fopenocd-next.git

server/gdb_server: do not discard Ctrl-C if _DEBUG_GDB_IO_

GDB server debug logging eat Ctrl-C when gdb user issues interrupt
in time of communication between OpenOCD and gdb.
E.g. Ctrl-C after `next` gdb command taking many
gdb remote protocol $vCont;s (steps)

Change-Id: I4a65446a9bb25a28e50566607b3dec116fa7d2cd
Suggested-by: Tim Newsome <tim@sifive.com>
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/8920
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
---

diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 71b7c7764..bd00feb49 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -434,6 +434,10 @@ static int gdb_put_packet_inner(struct connection *connection,
 			gdb_putback_char(connection, reply);
 			LOG_DEBUG("Unexpected start of new packet");
 			break;
+		} else if (reply == 0x3) {
+			/* do not discard Ctrl-C */
+			gdb_putback_char(connection, reply);
+			break;
 		}
 
 		LOG_WARNING("Discard unexpected char %c", reply);