src/share/vm/classfile/moduleEntry.cpp

*** 52,61 ****
--- 52,72 ----
    if (location != NULL) {
      location->increment_refcount();
    }
  }
  
+ bool ModuleEntry::is_non_jdk_module() {
+   ResourceMark rm;
+   if (location() != NULL) {
+     const char* loc = location()->as_C_string();
+     if (strncmp(loc, "jrt:/java.", 10) != 0 && strncmp(loc, "jrt:/jdk.", 9) != 0) {
+       return true;
+     }
+   }
+   return false;
+ }
+ 
  void ModuleEntry::set_version(Symbol* version) {
    if (_version != NULL) {
      // _version symbol's refcounts are managed by ModuleEntry,
      // must decrement the old one before updating.
      _version->decrement_refcount();