+
+bool
+runtime_showframe(const unsigned char *s)
+{
+ static int32 traceback = -1;
+
+ if(traceback < 0)
+ traceback = runtime_gotraceback();
+ return traceback > 1 || (__builtin_strchr((const char*)s, '.') != nil && __builtin_memcmp(s, "runtime.", 7) != 0);
+}