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8177530: Module system implementation refresh (4/2017)

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Co-authored-by: Harold Seigel <harold.seigel@oracle.com>
Co-authored-by: Mandy Chung <mandy.chung@oracle.com>
Reviewed-by: lfoltan, sspitsyn
This commit is contained in:
Alan Bateman 2017-04-07 08:04:46 +00:00
parent 4ffa7d7bfc
commit a3ab143c64
90 changed files with 477 additions and 464 deletions
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26
hotspot/src/share/vm/classfile/moduleEntry.cpp
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@ -266,19 +266,19 @@ void ModuleEntryTable::create_unnamed_module(ClassLoaderData* loader_data) {
// Each ModuleEntryTable has exactly one unnamed module
if (loader_data->is_the_null_class_loader_data()) {
// For the boot loader, the java.lang.reflect.Module for the unnamed module
// For the boot loader, the java.lang.Module for the unnamed module
// is not known until a call to JVM_SetBootLoaderUnnamedModule is made. At
// this point initially create the ModuleEntry for the unnamed module.
_unnamed_module = new_entry(0, Handle(NULL), NULL, NULL, NULL, loader_data);
} else {
// For all other class loaders the java.lang.reflect.Module for their
// For all other class loaders the java.lang.Module for their
// corresponding unnamed module can be found in the java.lang.ClassLoader object.
oop module = java_lang_ClassLoader::unnamedModule(loader_data->class_loader());
_unnamed_module = new_entry(0, Handle(module), NULL, NULL, NULL, loader_data);
// Store pointer to the ModuleEntry in the unnamed module's java.lang.reflect.Module
// Store pointer to the ModuleEntry in the unnamed module's java.lang.Module
// object.
java_lang_reflect_Module::set_module_entry(module, _unnamed_module);
java_lang_Module::set_module_entry(module, _unnamed_module);
}
// Add to bucket 0, no name to hash on
@ -388,27 +388,27 @@ void ModuleEntryTable::finalize_javabase(Handle module_handle, Symbol* version,
fatal("Unable to finalize module definition for " JAVA_BASE_NAME);
}
// Set java.lang.reflect.Module, version and location for java.base
// Set java.lang.Module, version and location for java.base
ModuleEntry* jb_module = javabase_moduleEntry();
assert(jb_module != NULL, JAVA_BASE_NAME " ModuleEntry not defined");
jb_module->set_version(version);
jb_module->set_location(location);
// Once java.base's ModuleEntry _module field is set with the known
// java.lang.reflect.Module, java.base is considered "defined" to the VM.
// java.lang.Module, java.base is considered "defined" to the VM.
jb_module->set_module(boot_loader_data->add_handle(module_handle));
// Store pointer to the ModuleEntry for java.base in the java.lang.reflect.Module object.
java_lang_reflect_Module::set_module_entry(module_handle(), jb_module);
// Store pointer to the ModuleEntry for java.base in the java.lang.Module object.
java_lang_Module::set_module_entry(module_handle(), jb_module);
}
// Within java.lang.Class instances there is a java.lang.reflect.Module field
// that must be set with the defining module. During startup, prior to java.base's
// definition, classes needing their module field set are added to the fixup_module_list.
// Their module field is set once java.base's java.lang.reflect.Module is known to the VM.
// Within java.lang.Class instances there is a java.lang.Module field that must
// be set with the defining module. During startup, prior to java.base's definition,
// classes needing their module field set are added to the fixup_module_list.
// Their module field is set once java.base's java.lang.Module is known to the VM.
void ModuleEntryTable::patch_javabase_entries(Handle module_handle) {
if (module_handle.is_null()) {
fatal("Unable to patch the module field of classes loaded prior to "
JAVA_BASE_NAME "'s definition, invalid java.lang.reflect.Module");
JAVA_BASE_NAME "'s definition, invalid java.lang.Module");
}
// Do the fixups for the basic primitive types