diff options
Diffstat (limited to 'tools/perf/util/annotate-data.c')
| -rw-r--r-- | tools/perf/util/annotate-data.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/annotate-data.c b/tools/perf/util/annotate-data.c index eaf96fa80c83..1ef2edbc71d9 100644 --- a/tools/perf/util/annotate-data.c +++ b/tools/perf/util/annotate-data.c @@ -314,6 +314,40 @@ static void delete_members(struct annotated_member *member) } } +static int fill_member_name(char *buf, size_t sz, struct annotated_member *m, + int offset, bool first) +{ + struct annotated_member *child; + + if (list_empty(&m->children)) + return 0; + + list_for_each_entry(child, &m->children, node) { + int len; + + if (offset < child->offset || offset >= child->offset + child->size) + continue; + + /* It can have anonymous struct/union members */ + if (child->var_name) { + len = scnprintf(buf, sz, "%s%s", + first ? "" : ".", child->var_name); + first = false; + } else { + len = 0; + } + + return fill_member_name(buf + len, sz - len, child, offset, first) + len; + } + return 0; +} + +int annotated_data_type__get_member_name(struct annotated_data_type *adt, + char *buf, size_t sz, int member_offset) +{ + return fill_member_name(buf, sz, &adt->self, member_offset, /*first=*/true); +} + static struct annotated_data_type *dso__findnew_data_type(struct dso *dso, Dwarf_Die *type_die) { |