8341916: Remove ProtectionDomain related hotspot code and tests

src/hotspot/share/cds/aotConstantPoolResolver.cpp

@@ -170,9 +170,7 @@ void AOTConstantPoolResolver::dumptime_resolve_constants(InstanceKlass* ik, TRAP
 Klass* AOTConstantPoolResolver::find_loaded_class(Thread* current, oop class_loader, Symbol* name) {
   HandleMark hm(current);
   Handle h_loader(current, class_loader);
-  Klass* k = SystemDictionary::find_instance_or_array_klass(current, name,
-                                                            h_loader,
-                                                            Handle());
+  Klass* k = SystemDictionary::find_instance_or_array_klass(current, name, h_loader);
   if (k != nullptr) {
     return k;
   }

src/hotspot/share/cds/aotLinkedClassBulkLoader.cpp

@@ -306,7 +306,7 @@ void AOTLinkedClassBulkLoader::load_hidden_class(ClassLoaderData* loader_data, I
       // use any special ClassLoaderData.
       Handle loader(THREAD, loader_data->class_loader());
       ResourceMark rm(THREAD);
-      assert(SystemDictionary::resolve_or_null(ik->name(), loader, pd, THREAD) == nullptr,
+      assert(SystemDictionary::resolve_or_null(ik->name(), loader, THREAD) == nullptr,
              "hidden classes cannot be accessible by name: %s", ik->external_name());
       if (HAS_PENDING_EXCEPTION) {
         CLEAR_PENDING_EXCEPTION;

src/hotspot/share/cds/classListParser.cpp

@@ -612,8 +612,7 @@ void ClassListParser::resolve_indy_impl(Symbol* class_name_symbol, TRAPS) {
   // resolve the CP entry for the invokedynamic instruction, which may result in
   // generation of LambdaForm classes.
   Handle class_loader(THREAD, SystemDictionary::java_system_loader());
-  Handle protection_domain;
-  Klass* klass = SystemDictionary::resolve_or_fail(class_name_symbol, class_loader, protection_domain, true, CHECK);
+  Klass* klass = SystemDictionary::resolve_or_fail(class_name_symbol, class_loader, true, CHECK);
   if (klass->is_instance_klass()) {
     InstanceKlass* ik = InstanceKlass::cast(klass);
     MetaspaceShared::try_link_class(THREAD, ik);
@@ -781,8 +780,7 @@ InstanceKlass* ClassListParser::lookup_interface_for_current_class(Symbol* inter
 
 InstanceKlass* ClassListParser::find_builtin_class_helper(JavaThread* current, Symbol* class_name_symbol, oop class_loader_oop) {
   Handle class_loader(current, class_loader_oop);
-  Handle protection_domain;
-  return SystemDictionary::find_instance_klass(current, class_name_symbol, class_loader, protection_domain);
+  return SystemDictionary::find_instance_klass(current, class_name_symbol, class_loader);
 }
 
 InstanceKlass* ClassListParser::find_builtin_class(JavaThread* current, const char* class_name) {

src/hotspot/share/cds/heapShared.cpp

@@ -2436,7 +2436,7 @@ void HeapShared::print_stats() {
 
 bool HeapShared::is_archived_boot_layer_available(JavaThread* current) {
   TempNewSymbol klass_name = SymbolTable::new_symbol(ARCHIVED_BOOT_LAYER_CLASS);
-  InstanceKlass* k = SystemDictionary::find_instance_klass(current, klass_name, Handle(), Handle());
+  InstanceKlass* k = SystemDictionary::find_instance_klass(current, klass_name, Handle());
   if (k == nullptr) {
     return false;
   } else {

src/hotspot/share/ci/ciEnv.cpp

@@ -462,14 +462,12 @@ ciKlass* ciEnv::get_klass_by_name_impl(ciKlass* accessing_klass,
   }
 
   Handle loader;
-  Handle domain;
   if (accessing_klass != nullptr) {
     loader = Handle(current, accessing_klass->loader());
-    domain = Handle(current, accessing_klass->protection_domain());
   }
 
   Klass* found_klass = require_local ?
-                         SystemDictionary::find_instance_or_array_klass(current, sym, loader, domain) :
+                         SystemDictionary::find_instance_or_array_klass(current, sym, loader) :
                          SystemDictionary::find_constrained_instance_or_array_klass(current, sym, loader);
 
   // If we fail to find an array klass, look again for its element type.
@@ -1611,8 +1609,7 @@ void ciEnv::dump_replay_data_helper(outputStream* out) {
   GrowableArray<ciMetadata*>* objects = _factory->get_ci_metadata();
   out->print_cr("# %d ciObject found", objects->length());
 
-  // The very first entry is the InstanceKlass of the root method of the current compilation in order to get the right
-  // protection domain to load subsequent classes during replay compilation.
+  // The very first entry is the InstanceKlass of the root method of the current compilation.
   ciInstanceKlass::dump_replay_instanceKlass(out, task()->method()->method_holder());
 
   for (int i = 0; i < objects->length(); i++) {

src/hotspot/share/ci/ciReplay.cpp

@@ -114,8 +114,6 @@ class CompileReplay : public StackObj {
  private:
   FILE*   _stream;
   Thread* _thread;
-  Handle  _protection_domain;
-  bool    _protection_domain_initialized;
   Handle  _loader;
   int     _version;
 
@@ -144,8 +142,6 @@ class CompileReplay : public StackObj {
   CompileReplay(const char* filename, TRAPS) {
     _thread = THREAD;
     _loader = Handle(_thread, SystemDictionary::java_system_loader());
-    _protection_domain = Handle();
-    _protection_domain_initialized = false;
 
     _stream = os::fopen(filename, "rt");
     if (_stream == nullptr) {
@@ -558,7 +554,7 @@ class CompileReplay : public StackObj {
       if (_iklass != nullptr) {
         k = (Klass*)_iklass->find_klass(ciSymbol::make(klass_name->as_C_string()))->constant_encoding();
       } else {
-        k = SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, THREAD);
+        k = SystemDictionary::resolve_or_fail(klass_name, _loader, true, THREAD);
       }
       if (HAS_PENDING_EXCEPTION) {
         oop throwable = PENDING_EXCEPTION;
@@ -579,7 +575,7 @@ class CompileReplay : public StackObj {
   // Lookup a klass
   Klass* resolve_klass(const char* klass, TRAPS) {
     Symbol* klass_name = SymbolTable::new_symbol(klass);
-    return SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, THREAD);
+    return SystemDictionary::resolve_or_fail(klass_name, _loader, true, THREAD);
   }
 
   // Parse the standard tuple of <klass> <name> <signature>
@@ -896,18 +892,6 @@ class CompileReplay : public StackObj {
     // just load the referenced class
     Klass* k = parse_klass(CHECK);
 
-    if (_version >= 1) {
-      if (!_protection_domain_initialized && k != nullptr) {
-        assert(_protection_domain() == nullptr, "must be uninitialized");
-        // The first entry is the holder class of the method for which a replay compilation is requested.
-        // Use the same protection domain to load all subsequent classes in order to resolve all classes
-        // in signatures of inlinees. This ensures that inlining can be done as stated in the replay file.
-        _protection_domain = Handle(_thread, k->protection_domain());
-      }
-
-      _protection_domain_initialized = true;
-    }
-
     if (k == nullptr) {
       return;
     }

src/hotspot/share/classfile/classFileParser.cpp

@@ -822,7 +822,6 @@ void ClassFileParser::parse_interfaces(const ClassFileStream* const stream,
         interf = SystemDictionary::resolve_super_or_fail(_class_name,
                                                          unresolved_klass,
                                                          Handle(THREAD, _loader_data->class_loader()),
-                                                         _protection_domain,
                                                          false, CHECK);
       }
 
@@ -5691,7 +5690,6 @@ void ClassFileParser::post_process_parsed_stream(const ClassFileStream* const st
                        SystemDictionary::resolve_super_or_fail(_class_name,
                                                                super_class_name,
                                                                loader,
-                                                               _protection_domain,
                                                                true,
                                                                CHECK);
     }