Makefile

 CFLAGS= -O3 -Wall -g
 LDFLAGS= -g
 
-all: pfmtest
+all: pfmprof
 
-pfmtest: pfmtest.o config.o events.o symbols.o
-pfmtest: LDLIBS+=-lpfm -lbfd
+pfmprof: pfmprof.o config.o events.o symbols.o
+pfmprof: LDLIBS+=-lpfm -lbfd
 
 clean:
-	rm -f *.o pfmtest
+	rm -f *.o pfmprof
 
 .PHONY: all clean

symbols.c

@@ -306,6 +306,8 @@ static int map_load_builtin(struct symbol_map *m, const char *path,
     }
 
     return 0;
+  } else if (!strcmp(path, "")) {
+    return symmap_add(m, start_addr, "[anon]", strdup("[anon]"));
   }
 
 out:
@@ -407,7 +409,7 @@ static struct symbol_map *pid_map(pid_t pid)
     *q = 0;
 
     /* skip non-files */
-    if (p[0] == '[')
+    if (p[0] == '[' || p[0] == 0)
       map_load_builtin(m, p, start_addr, end_addr - start_addr, off);
     else
       map_load_exec(m, p, start_addr, end_addr - start_addr, off);