src/hotspot/share/classfile/classLoaderExt.cpp

rev 49528 : [mq]: module_path

*** 28,37 ****
--- 28,38 ----
  #include "classfile/classListParser.hpp"
  #include "classfile/classLoader.inline.hpp"
  #include "classfile/classLoaderExt.hpp"
  #include "classfile/classLoaderData.inline.hpp"
  #include "classfile/klassFactory.hpp"
+ #include "classfile/modules.hpp"
  #include "classfile/sharedClassUtil.hpp"
  #include "classfile/sharedPathsMiscInfo.hpp"
  #include "classfile/systemDictionaryShared.hpp"
  #include "classfile/vmSymbols.hpp"
  #include "memory/allocation.inline.hpp"
*** 39,61 ****
  #include "memory/resourceArea.hpp"
  #include "oops/instanceKlass.hpp"
  #include "oops/oop.inline.hpp"
  #include "oops/symbol.hpp"
  #include "runtime/arguments.hpp"
  #include "runtime/java.hpp"
  #include "runtime/javaCalls.hpp"
  #include "runtime/os.hpp"
  #include "services/threadService.hpp"
  #include "utilities/stringUtils.hpp"
  
! jshort ClassLoaderExt::_app_paths_start_index = ClassLoaderExt::max_classpath_index;
  bool ClassLoaderExt::_has_app_classes = false;
  bool ClassLoaderExt::_has_platform_classes = false;
  
  void ClassLoaderExt::setup_app_search_path() {
    assert(DumpSharedSpaces, "this function is only used with -Xshare:dump and -XX:+UseAppCDS");
!   _app_paths_start_index = ClassLoader::num_boot_classpath_entries();
    char* app_class_path = os::strdup(Arguments::get_appclasspath());
  
    if (strcmp(app_class_path, ".") == 0) {
      // This doesn't make any sense, even for AppCDS, so let's skip it. We
      // don't want to throw an error here because -cp "." is usually assigned
--- 40,64 ----
  #include "memory/resourceArea.hpp"
  #include "oops/instanceKlass.hpp"
  #include "oops/oop.inline.hpp"
  #include "oops/symbol.hpp"
  #include "runtime/arguments.hpp"
+ #include "runtime/handles.inline.hpp"
  #include "runtime/java.hpp"
  #include "runtime/javaCalls.hpp"
  #include "runtime/os.hpp"
  #include "services/threadService.hpp"
  #include "utilities/stringUtils.hpp"
  
! jshort ClassLoaderExt::_app_class_paths_start_index = ClassLoaderExt::max_classpath_index;
! jshort ClassLoaderExt::_app_module_paths_start_index = ClassLoaderExt::max_classpath_index;
  bool ClassLoaderExt::_has_app_classes = false;
  bool ClassLoaderExt::_has_platform_classes = false;
  
  void ClassLoaderExt::setup_app_search_path() {
    assert(DumpSharedSpaces, "this function is only used with -Xshare:dump and -XX:+UseAppCDS");
!   _app_class_paths_start_index = ClassLoader::num_boot_classpath_entries();
    char* app_class_path = os::strdup(Arguments::get_appclasspath());
  
    if (strcmp(app_class_path, ".") == 0) {
      // This doesn't make any sense, even for AppCDS, so let's skip it. We
      // don't want to throw an error here because -cp "." is usually assigned
*** 66,75 ****
--- 69,102 ----
      shared_paths_misc_info()->add_app_classpath(app_class_path);
      ClassLoader::setup_app_search_path(app_class_path);
    }
  }
  
+ void ClassLoaderExt::process_module_table(ModuleEntryTable* met) {
+   ResourceMark rm;
+   for (int i = 0; i < met->table_size(); i++) {
+     for (ModuleEntry* m = met->bucket(i); m != NULL;) {
+       char* path = m->location()->as_C_string();
+       if (strncmp(path, "file:", 5) == 0 && ClassLoader::string_ends_with(path, ".jar")) {
+         m->print();
+         path = ClassLoader::skip_uri_protocol(path);
+         ClassLoader::setup_module_search_path(path);
+       }
+       m = m->next();
+     }
+   }
+ }
+ void ClassLoaderExt::setup_module_search_path() {
+   assert(DumpSharedSpaces, "this function is only used with -Xshare:dump and -XX:+UseAppCDS");
+   _app_module_paths_start_index = ClassLoader::num_boot_classpath_entries() +
+                               ClassLoader::num_app_classpath_entries();
+   Thread* thread = Thread::current();
+   Handle system_class_loader (thread, SystemDictionary::java_system_loader());
+   ModuleEntryTable* met = Modules::get_module_entry_table(system_class_loader);
+   process_module_table(met);
+ }
+ 
  char* ClassLoaderExt::read_manifest(ClassPathEntry* entry, jint *manifest_size, bool clean_text, TRAPS) {
    const char* name = "META-INF/MANIFEST.MF";
    char* manifest;
    jint size;
  
*** 193,202 ****
--- 220,235 ----
      shared_paths_misc_info()->record_app_offset();
      ClassLoaderExt::setup_app_search_path();
    }
  }
  
+ void ClassLoaderExt::setup_module_paths() {
+   if (UseAppCDS) {
+     ClassLoaderExt::setup_module_search_path();
+   }
+ }
+ 
  Thread* ClassLoaderExt::Context::_dump_thread = NULL;
  
  void ClassLoaderExt::record_result(ClassLoaderExt::Context *context,
                                     Symbol* class_name,
                                     const s2 classpath_index,