debug_msg_receiver_t *c = target->dbgmsg;
        uint32_t i;
 
-       LOG_DEBUG("size: %i, length: %i", size, length);
+       LOG_DEBUG("size: %i, length: %i", (int)size, (int)length);
 
        target->type->target_request_data(target, CEIL(length * size, 4), (uint8_t*)data);
 
                switch (size)
                {
                        case 4:
-                               line_len += snprintf(line + line_len, 128 - line_len, "%8.8x ", le_to_h_u32(data + (4*i)));
+                               line_len += snprintf(line + line_len, 128 - line_len, "%8.8" PRIx32 " ", le_to_h_u32(data + (4*i)));
                                break;
                        case 2:
                                line_len += snprintf(line + line_len, 128 - line_len, "%4.4x ", le_to_h_u16(data + (2*i)));