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server/gdb_server: Fake resuming unavailable targets. 

When asked to resume an unavailable target, resume any available targets
and report success.

Change-Id: Ieafc63794c1a6eba8948c0f9ce84fa74f9765041
Signed-off-by: Tim Newsome <tim@sifive.com>
This commit is contained in:
Tim Newsome 2023-09-14 14:07:19 -07:00
parent 6e9514efcd
commit d454854c13
1 changed files with 19 additions and 1 deletions
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20
src/server/gdb_server.c
View File

@ -3039,7 +3039,7 @@ static bool gdb_handle_vcont_packet(struct connection *connection, const char *p
__attribute__((unused)) int packet_size)
{
struct gdb_connection *gdb_connection = connection->priv;
struct target *target = get_available_target_from_connection(connection);
struct target *target = get_target_from_connection(connection);
const char *parse = packet;
int retval;
@ -3060,6 +3060,24 @@ static bool gdb_handle_vcont_packet(struct connection *connection, const char *p
/* simple case, a continue packet */
if (parse[0] == 'c') {
gdb_running_type = 'c';
if (target->state == TARGET_UNAVAILABLE) {
struct target *available_target = get_available_target_from_connection(connection);
if (target == available_target) {
LOG_DEBUG("All targets for this gdb connection "
"are unavailable. Fake to gdb that the resume "
"succeeded and the target is now running.");
gdb_connection->frontend_state = TARGET_RUNNING;
gdb_connection->output_flag = GDB_OUTPUT_ALL;
target_call_event_callbacks(target, TARGET_EVENT_GDB_START);
return true;
}
LOG_TARGET_DEBUG(target, "Target is unavailable. Resume %s instead.",
target_name(available_target));
/* Resume an available target. */
target = available_target;
}
LOG_DEBUG("target %s continue", target_name(target));
gdb_connection->output_flag = GDB_OUTPUT_ALL;
retval = target_resume(target, 1, 0, 0, 0);