Lines Matching refs:iter
592 static int get_ksymbol_arch(struct kallsym_iter *iter) in get_ksymbol_arch() argument
594 int ret = arch_get_kallsym(iter->pos - kallsyms_num_syms, in get_ksymbol_arch()
595 &iter->value, &iter->type, in get_ksymbol_arch()
596 iter->name); in get_ksymbol_arch()
599 iter->pos_arch_end = iter->pos; in get_ksymbol_arch()
606 static int get_ksymbol_mod(struct kallsym_iter *iter) in get_ksymbol_mod() argument
608 int ret = module_get_kallsym(iter->pos - iter->pos_arch_end, in get_ksymbol_mod()
609 &iter->value, &iter->type, in get_ksymbol_mod()
610 iter->name, iter->module_name, in get_ksymbol_mod()
611 &iter->exported); in get_ksymbol_mod()
613 iter->pos_mod_end = iter->pos; in get_ksymbol_mod()
625 static int get_ksymbol_ftrace_mod(struct kallsym_iter *iter) in get_ksymbol_ftrace_mod() argument
627 int ret = ftrace_mod_get_kallsym(iter->pos - iter->pos_mod_end, in get_ksymbol_ftrace_mod()
628 &iter->value, &iter->type, in get_ksymbol_ftrace_mod()
629 iter->name, iter->module_name, in get_ksymbol_ftrace_mod()
630 &iter->exported); in get_ksymbol_ftrace_mod()
632 iter->pos_ftrace_mod_end = iter->pos; in get_ksymbol_ftrace_mod()
639 static int get_ksymbol_bpf(struct kallsym_iter *iter) in get_ksymbol_bpf() argument
643 strlcpy(iter->module_name, "bpf", MODULE_NAME_LEN); in get_ksymbol_bpf()
644 iter->exported = 0; in get_ksymbol_bpf()
645 ret = bpf_get_kallsym(iter->pos - iter->pos_ftrace_mod_end, in get_ksymbol_bpf()
646 &iter->value, &iter->type, in get_ksymbol_bpf()
647 iter->name); in get_ksymbol_bpf()
649 iter->pos_bpf_end = iter->pos; in get_ksymbol_bpf()
661 static int get_ksymbol_kprobe(struct kallsym_iter *iter) in get_ksymbol_kprobe() argument
663 strlcpy(iter->module_name, "__builtin__kprobes", MODULE_NAME_LEN); in get_ksymbol_kprobe()
664 iter->exported = 0; in get_ksymbol_kprobe()
665 return kprobe_get_kallsym(iter->pos - iter->pos_bpf_end, in get_ksymbol_kprobe()
666 &iter->value, &iter->type, in get_ksymbol_kprobe()
667 iter->name) < 0 ? 0 : 1; in get_ksymbol_kprobe()
671 static unsigned long get_ksymbol_core(struct kallsym_iter *iter) in get_ksymbol_core() argument
673 unsigned off = iter->nameoff; in get_ksymbol_core()
675 iter->module_name[0] = '\0'; in get_ksymbol_core()
676 iter->value = kallsyms_sym_address(iter->pos); in get_ksymbol_core()
678 iter->type = kallsyms_get_symbol_type(off); in get_ksymbol_core()
680 off = kallsyms_expand_symbol(off, iter->name, ARRAY_SIZE(iter->name)); in get_ksymbol_core()
682 return off - iter->nameoff; in get_ksymbol_core()
685 static void reset_iter(struct kallsym_iter *iter, loff_t new_pos) in reset_iter() argument
687 iter->name[0] = '\0'; in reset_iter()
688 iter->nameoff = get_symbol_offset(new_pos); in reset_iter()
689 iter->pos = new_pos; in reset_iter()
691 iter->pos_arch_end = 0; in reset_iter()
692 iter->pos_mod_end = 0; in reset_iter()
693 iter->pos_ftrace_mod_end = 0; in reset_iter()
694 iter->pos_bpf_end = 0; in reset_iter()
703 static int update_iter_mod(struct kallsym_iter *iter, loff_t pos) in update_iter_mod() argument
705 iter->pos = pos; in update_iter_mod()
707 if ((!iter->pos_arch_end || iter->pos_arch_end > pos) && in update_iter_mod()
708 get_ksymbol_arch(iter)) in update_iter_mod()
711 if ((!iter->pos_mod_end || iter->pos_mod_end > pos) && in update_iter_mod()
712 get_ksymbol_mod(iter)) in update_iter_mod()
715 if ((!iter->pos_ftrace_mod_end || iter->pos_ftrace_mod_end > pos) && in update_iter_mod()
716 get_ksymbol_ftrace_mod(iter)) in update_iter_mod()
719 if ((!iter->pos_bpf_end || iter->pos_bpf_end > pos) && in update_iter_mod()
720 get_ksymbol_bpf(iter)) in update_iter_mod()
723 return get_ksymbol_kprobe(iter); in update_iter_mod()
727 static int update_iter(struct kallsym_iter *iter, loff_t pos) in update_iter() argument
731 return update_iter_mod(iter, pos); in update_iter()
734 if (pos != iter->pos) in update_iter()
735 reset_iter(iter, pos); in update_iter()
737 iter->nameoff += get_ksymbol_core(iter); in update_iter()
738 iter->pos++; in update_iter()
766 struct kallsym_iter *iter = m->private; in s_show() local
769 if (!iter->name[0]) in s_show()
772 value = iter->show_value ? (void *)iter->value : NULL; in s_show()
774 if (iter->module_name[0]) { in s_show()
781 type = iter->exported ? toupper(iter->type) : in s_show()
782 tolower(iter->type); in s_show()
784 type, iter->name, iter->module_name); in s_show()
787 iter->type, iter->name); in s_show()
840 struct kallsym_iter *iter; in kallsyms_open() local
841 iter = __seq_open_private(file, &kallsyms_op, sizeof(*iter)); in kallsyms_open()
842 if (!iter) in kallsyms_open()
844 reset_iter(iter, 0); in kallsyms_open()
850 iter->show_value = kallsyms_show_value(file->f_cred); in kallsyms_open()