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(thread__maps(ui->thread), map_node) {  in read_unwind_spec_eh_frame()
338 	ret = unwind_spec_ehframe(dso, ui->machine, dso->data.eh_frame_hdr_offset,  in read_unwind_spec_eh_frame()
416 static struct map *find_map(unw_word_t ip, struct unwind_info *ui)  in find_map()  argument
422 	thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al);  in find_map()
432 	struct unwind_info *ui = arg;  in find_proc_info()  local
439 	map = find_map(ip, ui);  in find_proc_info()
452 	if (!read_unwind_spec_eh_frame(dso, ui, &table_data, &segbase, &fde_count)) {  in find_proc_info()
468 	    !read_unwind_spec_debug_frame(dso, ui->machine, &segbase)) {  in find_proc_info()
469 		int fd = dso__data_get_fd(dso, ui->machine);  in find_proc_info()
525 static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,  in access_dso_mem()  argument
532 	map = find_map(addr, ui);  in access_dso_mem()
545 	size = dso__data_read_addr(dso, map, ui->machine,  in access_dso_mem()
555 	struct unwind_info *ui = arg;  in access_mem()  local
556 	const char *arch = perf_env__arch(ui->machine->env);  in access_mem()
557 	struct stack_dump *stack = &ui->sample->user_stack;  in access_mem()
563 	if (__write || !stack || !ui->sample->user_regs.regs) {  in access_mem()
568 	ret = perf_reg_value(&start, &ui->sample->user_regs,  in access_mem()
580 		ret = access_dso_mem(ui, addr, valp);  in access_mem()
602 	struct unwind_info *ui = arg;  in access_reg()  local
612 	if (!ui->sample->user_regs.regs) {  in access_reg()
621 	ret = perf_reg_value(&val, &ui->sample->user_regs, id);  in access_reg()
623 		if (!ui->best_effort)  in access_reg()
715 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,  in get_entries()  argument
718 	const char *arch = perf_env__arch(ui->machine->env);  in get_entries()
725 	ret = perf_reg_value(&val, &ui->sample->user_regs,  in get_entries()
737 		WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL");  in get_entries()
738 		addr_space = maps__addr_space(thread__maps(ui->thread));  in get_entries()
743 		ret = unw_init_remote(&c, addr_space, ui);  in get_entries()
744 		if (ret && !ui->best_effort)  in get_entries()
774 		ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0;  in get_entries()
785 	struct unwind_info ui = {  in _unwind__get_entries()  local
798 	return get_entries(&ui, cb, arg, max_stack);  in _unwind__get_entries()