perf symbols: Rename find_symbol routines to find_function

Paving the way for supporting variable in adition to function
symbols.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259074912-5924-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 5538691..65846d0 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -65,8 +65,8 @@
 
 struct dso {
 	struct list_head node;
-	struct rb_root	 syms;
-	struct symbol    *(*find_symbol)(struct dso *, u64 ip);
+	struct rb_root	 functions;
+	struct symbol    *(*find_function)(struct dso *, u64 ip);
 	u8		 adjust_symbols:1;
 	u8		 slen_calculated:1;
 	u8		 loaded:1;
@@ -83,7 +83,7 @@
 struct dso *dso__new(const char *name);
 void dso__delete(struct dso *self);
 
-struct symbol *dso__find_symbol(struct dso *self, u64 ip);
+struct symbol *dso__find_function(struct dso *self, u64 ip);
 
 struct dso *dsos__findnew(const char *name);
 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);