s390/kernel/debug.c

386 static int debug_format_entry(file_private_info_t *p_info)
388 	debug_info_t *id_snap	= p_info->debug_info_snap;
389 	struct debug_view *view = p_info->view;
393 	if (p_info->act_entry == DEBUG_PROLOG_ENTRY) {
396 			len += view->prolog_proc(id_snap, view, p_info->temp_buf);
401 	act_entry = (debug_entry_t *) ((char *)id_snap->areas[p_info->act_area]
402 				       [p_info->act_page] + p_info->act_entry);
407 		len += view->header_proc(id_snap, view, p_info->act_area,
408 					 act_entry, p_info->temp_buf + len);
410 		len += view->format_proc(id_snap, view, p_info->temp_buf + len,
418  * - goto next entry in p_info
420 static inline int debug_next_entry(file_private_info_t *p_info)
424 	id = p_info->debug_info_snap;
425 	if (p_info->act_entry == DEBUG_PROLOG_ENTRY) {
426 		p_info->act_entry = 0;
427 		p_info->act_page  = 0;
432 	p_info->act_entry += id->entry_size;
434 	if (p_info->act_entry > (PAGE_SIZE - id->entry_size)) {
436 		p_info->act_entry = 0;
437 		p_info->act_page += 1;
438 		if ((p_info->act_page % id->pages_per_area) == 0) {
440 			p_info->act_area++;
441 			p_info->act_page = 0;
443 		if (p_info->act_area >= id->nr_areas)
462 	file_private_info_t *p_info;
464 	p_info = (file_private_info_t *) file->private_data;
465 	if (*offset != p_info->offset)
467 	if (p_info->act_area >= p_info->debug_info_snap->nr_areas)
469 	entry_offset = p_info->act_entry_offset;
476 		formatted_line_size = debug_format_entry(p_info);
481 			if (copy_to_user(user_buf + count, p_info->temp_buf
489 			if (debug_next_entry(p_info))
494 	p_info->offset		 = *offset + count;
495 	p_info->act_entry_offset = entry_offset;
496 	*offset = p_info->offset;
508 	file_private_info_t *p_info;
512 	p_info = ((file_private_info_t *) file->private_data);
513 	if (p_info->view->input_proc) {
514 		rc = p_info->view->input_proc(p_info->debug_info_org,
515 					      p_info->view, file, user_buf,
533 	file_private_info_t *p_info;
564 	p_info = kmalloc(sizeof(file_private_info_t), GFP_KERNEL);
565 	if (!p_info) {
570 	p_info->offset = 0;
571 	p_info->debug_info_snap = debug_info_snapshot;
572 	p_info->debug_info_org	= debug_info;
573 	p_info->view = debug_info->views[i];
574 	p_info->act_area = 0;
575 	p_info->act_page = 0;
576 	p_info->act_entry = DEBUG_PROLOG_ENTRY;
577 	p_info->act_entry_offset = 0;
578 	file->private_data = p_info;
593 	file_private_info_t *p_info;
595 	p_info = (file_private_info_t *) file->private_data;
596 	if (p_info->debug_info_snap)
597 		debug_info_free(p_info->debug_info_snap);
598 	debug_info_put(p_info->debug_info_org);