tools/perf/util/btf.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Arnaldo Carvalho de Melo <[email protected]>
   4  *
   5  * Copyright (C) 2024, Red Hat, Inc
   6  */
   7
   8 #include <bpf/btf.h>
   9 #include <util/btf.h>
  10 #include <string.h>
  11
  12 const struct btf_member *__btf_type__find_member_by_name(struct btf *btf,
  13                                                          int type_id, const char *member_name)
  14 {
  15         const struct btf_type *t = btf__type_by_id(btf, type_id);
  16         const struct btf_member *m;
  17         int i;
  18
  19         for (i = 0, m = btf_members(t); i < btf_vlen(t); i++, m++) {
  20                 const char *current_member_name = btf__name_by_offset(btf, m->name_off);
  21
  22                 if (!strcmp(current_member_name, member_name))
  23                         return m;
  24         }
  25
  26         return NULL;
  27 }