305 static int read_unwind_spec_eh_frame(struct dso *dso, struct unwind_info *ui,  in read_unwind_spec_eh_frame()  argument
314 		fd = dso__data_get_fd(dso, ui->machine);  in read_unwind_spec_eh_frame()
328 	maps__for_each_entry(ui->thread->maps, map) {  in read_unwind_spec_eh_frame()
335 	ret = unwind_spec_ehframe(dso, ui->machine, dso->data.eh_frame_hdr_offset,  in read_unwind_spec_eh_frame()
413 static struct map *find_map(unw_word_t ip, struct unwind_info *ui)  in find_map()  argument
416 	return thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al);  in find_map()
423 	struct unwind_info *ui = arg;  in find_proc_info()  local
429 	map = find_map(ip, ui);  in find_proc_info()
436 	if (!read_unwind_spec_eh_frame(map->dso, ui,  in find_proc_info()
453 	    !read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) {  in find_proc_info()
454 		int fd = dso__data_get_fd(map->dso, ui->machine);  in find_proc_info()
510 static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,  in access_dso_mem()  argument
516 	map = find_map(addr, ui);  in access_dso_mem()
525 	size = dso__data_read_addr(map->dso, map, ui->machine,  in access_dso_mem()
535 	struct unwind_info *ui = arg;  in access_mem()  local
536 	struct stack_dump *stack = &ui->sample->user_stack;  in access_mem()
542 	if (__write || !stack || !ui->sample->user_regs.regs) {  in access_mem()
547 	ret = perf_reg_value(&start, &ui->sample->user_regs,  in access_mem()
559 		ret = access_dso_mem(ui, addr, valp);  in access_mem()
581 	struct unwind_info *ui = arg;  in access_reg()  local
591 	if (!ui->sample->user_regs.regs) {  in access_reg()
600 	ret = perf_reg_value(&val, &ui->sample->user_regs, id);  in access_reg()
602 		if (!ui->best_effort)  in access_reg()
688 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,  in get_entries()  argument
697 	ret = perf_reg_value(&val, &ui->sample->user_regs,  in get_entries()
709 		WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL");  in get_entries()
710 		addr_space = ui->thread->maps->addr_space;  in get_entries()
715 		ret = unw_init_remote(&c, addr_space, ui);  in get_entries()
716 		if (ret && !ui->best_effort)  in get_entries()
746 		ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0;  in get_entries()
757 	struct unwind_info ui = {  in _unwind__get_entries()  local
770 	return get_entries(&ui, cb, arg, max_stack);  in _unwind__get_entries()