322 static int read_unwind_spec_eh_frame(struct dso *dso, struct unwind_info *ui,  in read_unwind_spec_eh_frame()  argument
333 		fd = dso__data_get_fd(dso, ui->machine);  in read_unwind_spec_eh_frame()
347 	maps__for_each_map(thread__maps(ui->thread), read_unwind_spec_eh_frame_maps_cb, &args);  in read_unwind_spec_eh_frame()
352 	ret = unwind_spec_ehframe(dso, ui->machine, dso__data(dso)->eh_frame_hdr_offset,  in read_unwind_spec_eh_frame()
435 static struct map *find_map(unw_word_t ip, struct unwind_info *ui)  in find_map()  argument
441 	thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al);  in find_map()
451 	struct unwind_info *ui = arg;  in find_proc_info()  local
458 	map = find_map(ip, ui);  in find_proc_info()
471 	if (!read_unwind_spec_eh_frame(dso, ui, &table_data, &segbase, &fde_count)) {  in find_proc_info()
487 	    !read_unwind_spec_debug_frame(dso, ui->machine, &segbase)) {  in find_proc_info()
488 		int fd = dso__data_get_fd(dso, ui->machine);  in find_proc_info()
544 static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,  in access_dso_mem()  argument
551 	map = find_map(addr, ui);  in access_dso_mem()
564 	size = dso__data_read_addr(dso, map, ui->machine,  in access_dso_mem()
574 	struct unwind_info *ui = arg;  in access_mem()  local
575 	const char *arch = perf_env__arch(ui->machine->env);  in access_mem()
576 	struct stack_dump *stack = &ui->sample->user_stack;  in access_mem()
582 	if (__write || !stack || !ui->sample->user_regs.regs) {  in access_mem()
587 	ret = perf_reg_value(&start, &ui->sample->user_regs,  in access_mem()
599 		ret = access_dso_mem(ui, addr, valp);  in access_mem()
621 	struct unwind_info *ui = arg;  in access_reg()  local
631 	if (!ui->sample->user_regs.regs) {  in access_reg()
640 	ret = perf_reg_value(&val, &ui->sample->user_regs, id);  in access_reg()
642 		if (!ui->best_effort)  in access_reg()
734 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,  in get_entries()  argument
737 	const char *arch = perf_env__arch(ui->machine->env);  in get_entries()
744 	ret = perf_reg_value(&val, &ui->sample->user_regs,  in get_entries()
756 		WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL");  in get_entries()
757 		addr_space = maps__addr_space(thread__maps(ui->thread));  in get_entries()
762 		ret = unw_init_remote(&c, addr_space, ui);  in get_entries()
763 		if (ret && !ui->best_effort)  in get_entries()
793 		ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0;  in get_entries()
804 	struct unwind_info ui = {  in _unwind__get_entries()  local
817 	return get_entries(&ui, cb, arg, max_stack);  in _unwind__get_entries()