X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Fgdb_server.c;h=a45127360a3d387df55e8f8e687535ef4993df7c;hp=2270afffdd57ed6a217330ea4293a65ae0836704;hb=24654759d5fd92c0dbafac40c8604842dd6d6709;hpb=73de82898840292b000ded9a48031701961c3c83

diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 2270afffdd..a45127360a 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -1360,7 +1360,8 @@ static int gdb_set_register_packet(struct connection *connection,
 	int chars = (DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2);
 
 	if ((unsigned int)chars != strlen(separator + 1)) {
-		LOG_ERROR("gdb sent a packet with wrong register size");
+		LOG_ERROR("gdb sent %zu bits for a %d-bit register (%s)",
+				strlen(separator + 1) * 4, chars * 4, reg_list[reg_num]->name);
 		free(bin_buf);
 		return ERROR_SERVER_REMOTE_CLOSED;
 	}
@@ -3372,6 +3373,8 @@ static int gdb_target_start(struct target *target, const char *port)
 	if (NULL == gdb_service)
 		return -ENOMEM;
 
+	LOG_DEBUG("starting gdb server for %s on %s", target_name(target), port);
+
 	gdb_service->target = target;
 	gdb_service->core[0] = -1;
 	gdb_service->core[1] = -1;
@@ -3397,16 +3400,36 @@ static int gdb_target_start(struct target *target, const char *port)
 
 static int gdb_target_add_one(struct target *target)
 {
+	/*  one gdb instance per smp list */
+	if ((target->smp) && (target->gdb_service))
+		return ERROR_OK;
+
+	/* skip targets that cannot handle a gdb connections (e.g. mem_ap) */
+	if (!target_supports_gdb_connection(target)) {
+		LOG_DEBUG("skip gdb server for target %s", target_name(target));
+		return ERROR_OK;
+	}
+
+	if (target->gdb_port_override) {
+		if (strcmp(target->gdb_port_override, "disabled") == 0) {
+			LOG_INFO("gdb port disabled");
+			return ERROR_OK;
+		}
+		return gdb_target_start(target, target->gdb_port_override);
+	}
+
 	if (strcmp(gdb_port, "disabled") == 0) {
 		LOG_INFO("gdb port disabled");
 		return ERROR_OK;
 	}
 
-	/*  one gdb instance per smp list */
-	if ((target->smp) && (target->gdb_service))
-		return ERROR_OK;
 	int retval = gdb_target_start(target, gdb_port_next);
 	if (retval == ERROR_OK) {
+		/* save the port number so can be queried with
+		 * $target_name cget -gdb-port
+		 */
+		target->gdb_port_override = strdup(gdb_port_next);
+
 		long portnumber;
 		/* If we can parse the port number
 		 * then we increment the port number for the next target.
@@ -3431,11 +3454,6 @@ static int gdb_target_add_one(struct target *target)
 
 int gdb_target_add_all(struct target *target)
 {
-	if (strcmp(gdb_port, "disabled") == 0) {
-		LOG_INFO("gdb server disabled");
-		return ERROR_OK;
-	}
-
 	if (NULL == target) {
 		LOG_WARNING("gdb services need one or more targets defined");
 		return ERROR_OK;