} else {
if (gdb_connection->ctrl_c) {
signal_var = 0x2;
- gdb_connection->ctrl_c = 0;
} else
signal_var = gdb_last_signal(target);
target->rtos->current_thread);
target->rtos->current_threadid = target->rtos->current_thread;
target->rtos->gdb_target_for_threadid(connection, target->rtos->current_threadid, &ct);
- signal_var = gdb_last_signal(ct);
+ if (!gdb_connection->ctrl_c)
+ signal_var = gdb_last_signal(ct);
}
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "T%2.2x%s%s",
signal_var, stop_reason, current_thread);
+
+ gdb_connection->ctrl_c = 0;
}
gdb_put_packet(connection, sig_reply, sig_reply_len);
static const char *gdb_get_reg_type_name(enum reg_type type)
{
switch (type) {
+ case REG_TYPE_BOOL:
+ return "bool";
case REG_TYPE_INT:
return "int";
case REG_TYPE_INT8:
return "int64";
case REG_TYPE_INT128:
return "int128";
+ case REG_TYPE_UINT:
+ return "uint";
case REG_TYPE_UINT8:
return "uint8";
case REG_TYPE_UINT16:
type->id, type->reg_type_struct->size);
while (field != NULL) {
xml_printf(&retval, tdesc, pos, size,
- "<field name=\"%s\" start=\"%d\" end=\"%d\"/>\n",
- field->name, field->bitfield->start,
- field->bitfield->end);
+ "<field name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+ field->name, field->bitfield->start, field->bitfield->end,
+ gdb_get_reg_type_name(field->bitfield->type));
field = field->next;
}
field = type->reg_type_flags->fields;
while (field != NULL) {
xml_printf(&retval, tdesc, pos, size,
- "<field name=\"%s\" start=\"%d\" end=\"%d\"/>\n",
- field->name, field->bitfield->start, field->bitfield->end);
+ "<field name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+ field->name, field->bitfield->start, field->bitfield->end,
+ gdb_get_reg_type_name(field->bitfield->type));
field = field->next;
}
/* single-step or step-over-breakpoint */
if (parse[0] == 's') {
+ bool fake_step = false;
+
if (strncmp(parse, "s:", 2) == 0) {
struct target *ct = target;
int current_pc = 1;
parse = endp;
}
- if (target->rtos != NULL)
+ if (target->rtos != NULL) {
+ /* FIXME: why is this necessary? rtos state should be up-to-date here already! */
+ rtos_update_threads(target);
+
target->rtos->gdb_target_for_threadid(connection, thread_id, &ct);
+ /*
+ * check if the thread to be stepped is the current rtos thread
+ * if not, we must fake the step
+ */
+ if (target->rtos->current_thread != thread_id)
+ fake_step = true;
+ }
+
if (parse[0] == ';') {
++parse;
--packet_size;
}
}
- LOG_DEBUG("target %s single-step thread %"PRId64, target_name(ct), thread_id);
+ LOG_DEBUG("target %s single-step thread %"PRIx64, target_name(ct), thread_id);
log_add_callback(gdb_log_callback, connection);
target_call_event_callbacks(ct, TARGET_EVENT_GDB_START);
+ /*
+ * work around an annoying gdb behaviour: when the current thread
+ * is changed in gdb, it assumes that the target can follow and also
+ * make the thread current. This is an assumption that cannot hold
+ * for a real target running a multi-threading OS. We just fake
+ * the step to not trigger an internal error in gdb. See
+ * https://sourceware.org/bugzilla/show_bug.cgi?id=22925 for details
+ */
+ if (fake_step) {
+ int sig_reply_len;
+ char sig_reply[128];
+
+ LOG_DEBUG("fake step thread %"PRIx64, thread_id);
+
+ sig_reply_len = snprintf(sig_reply, sizeof(sig_reply),
+ "T05thread:%016"PRIx64";", thread_id);
+
+ gdb_put_packet(connection, sig_reply, sig_reply_len);
+ log_remove_callback(gdb_log_callback, connection);
+
+ return true;
+ }
+
/* support for gdb_sync command */
if (gdb_connection->sync) {
gdb_connection->sync = false;