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-rw-r--r--tools/perf/util/symbol.c15
-rw-r--r--tools/perf/util/symbol.h1
2 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 19c9c558454f..aecff69a510d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -345,6 +345,16 @@ static struct symbol *symbols__first(struct rb_root *symbols)
return NULL;
}
+static struct symbol *symbols__last(struct rb_root *symbols)
+{
+ struct rb_node *n = rb_last(symbols);
+
+ if (n)
+ return rb_entry(n, struct symbol, rb_node);
+
+ return NULL;
+}
+
static struct symbol *symbols__next(struct symbol *sym)
{
struct rb_node *n = rb_next(&sym->rb_node);
@@ -466,6 +476,11 @@ struct symbol *dso__first_symbol(struct dso *dso, enum map_type type)
return symbols__first(&dso->symbols[type]);
}
+struct symbol *dso__last_symbol(struct dso *dso, enum map_type type)
+{
+ return symbols__last(&dso->symbols[type]);
+}
+
struct symbol *dso__next_symbol(struct symbol *sym)
{
return symbols__next(sym);
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 0dacfb7d5b67..d964844eb314 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -259,6 +259,7 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
struct symbol *symbol__next_by_name(struct symbol *sym);
struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
+struct symbol *dso__last_symbol(struct dso *dso, enum map_type type);
struct symbol *dso__next_symbol(struct symbol *sym);
enum dso_type dso__type_fd(int fd);