314 static struct map *find_map(unw_word_t ip, struct unwind_info *ui)  in find_map()  argument
318 	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,  in find_map()
327 	struct unwind_info *ui = arg;  in find_proc_info()  local
332 	map = find_map(ip, ui);  in find_proc_info()
339 	if (!read_unwind_spec_eh_frame(map->dso, ui->machine,  in find_proc_info()
355 	if (!read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) {  in find_proc_info()
356 		int fd = dso__data_fd(map->dso, ui->machine);  in find_proc_info()
406 static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,  in access_dso_mem()  argument
412 	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,  in access_dso_mem()
422 	size = dso__data_read_addr(al.map->dso, al.map, ui->machine,  in access_dso_mem()
432 	struct unwind_info *ui = arg;  in access_mem()  local
433 	struct stack_dump *stack = &ui->sample->user_stack;  in access_mem()
439 	if (__write || !stack || !ui->sample->user_regs.regs) {  in access_mem()
444 	ret = perf_reg_value(&start, &ui->sample->user_regs, PERF_REG_SP);  in access_mem()
455 		ret = access_dso_mem(ui, addr, valp);  in access_mem()
477 	struct unwind_info *ui = arg;  in access_reg()  local
487 	if (!ui->sample->user_regs.regs) {  in access_reg()
496 	ret = perf_reg_value(&val, &ui->sample->user_regs, id);  in access_reg()
604 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,  in get_entries()  argument
611 	addr_space = thread__priv(ui->thread);  in get_entries()
615 	ret = unw_init_remote(&c, addr_space, ui);  in get_entries()
623 		ret = ip ? entry(ip, ui->thread, cb, arg) : 0;  in get_entries()
634 	struct unwind_info ui = {  in unwind__get_entries()  local
652 	return --max_stack > 0 ? get_entries(&ui, cb, arg, max_stack) : 0;  in unwind__get_entries()