< prev index next > src/hotspot/share/cds/finalImageRecipes.cpp
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#include "memory/oopFactory.hpp"
#include "memory/resourceArea.hpp"
#include "oops/constantPool.inline.hpp"
#include "runtime/handles.inline.hpp"
+ GrowableArray<InstanceKlass*>* FinalImageRecipes::_tmp_reflect_klasses = nullptr;
+ GrowableArray<int>* FinalImageRecipes::_tmp_reflect_flags = nullptr;
+ GrowableArray<FinalImageRecipes::TmpDynamicProxyClassInfo>* FinalImageRecipes::_tmp_dynamic_proxy_classes = nullptr;
static FinalImageRecipes* _final_image_recipes = nullptr;
void* FinalImageRecipes::operator new(size_t size) throw() {
return ArchiveBuilder::current()->ro_region_alloc(size);
}
void FinalImageRecipes::record_recipes_impl() {
assert(CDSConfig::is_dumping_preimage_static_archive(), "must be");
ResourceMark rm;
GrowableArray<Klass*>* klasses = ArchiveBuilder::current()->klasses();
+ // The recipes are recorded regardless of CDSConfig::is_dumping_{invokedynamic,dynamic_proxies,reflection_data}().
+ // If some of these options are not enabled, the corresponding recipes will be
+ // ignored during the final image assembly.
+
+ // InvokeDynamic
// Record the indys that have been resolved in the training run. These indys will be
// resolved during the final image assembly.
GrowableArray<InstanceKlass*> tmp_indy_klasses;
GrowableArray<Array<int>*> tmp_indy_cp_indices;
ArchivePtrMarker::mark_pointer(&_indy_klasses);
ArchivePtrMarker::mark_pointer(&_indy_cp_indices);
}
log_info(cds)("%d indies in %d classes will be resolved in final CDS image", total_indys_to_resolve, tmp_indy_klasses.length());
+
+ // Reflection Data
+ int reflect_count = 0;
+ if (_tmp_reflect_klasses != nullptr) {
+ for (int i = _tmp_reflect_klasses->length() - 1; i >= 0; i--) {
+ InstanceKlass* ik = _tmp_reflect_klasses->at(i);
+ if (SystemDictionaryShared::is_excluded_class(ik)) {
+ _tmp_reflect_klasses->remove_at(i);
+ _tmp_reflect_flags->remove_at(i);
+ } else {
+ _tmp_reflect_klasses->at_put(i, ArchiveBuilder::current()->get_buffered_addr(ik));
+ }
+ }
+ if (_tmp_reflect_klasses->length() > 0) {
+ _reflect_klasses = ArchiveUtils::archive_array(_tmp_reflect_klasses);
+ _reflect_flags = ArchiveUtils::archive_array(_tmp_reflect_flags);
+
+ ArchivePtrMarker::mark_pointer(&_reflect_klasses);
+ ArchivePtrMarker::mark_pointer(&_reflect_flags);
+ reflect_count = _tmp_reflect_klasses->length();
+ }
+ }
+ log_info(cds)("ReflectionData of %d classes will be archived in final CDS image", reflect_count);
+
+ // Dynamic Proxies
+ if (_tmp_dynamic_proxy_classes != nullptr) {
+ // Remove proxies for excluded classes
+ for (int i = _tmp_dynamic_proxy_classes->length() - 1; i >= 0; i--) {
+ TmpDynamicProxyClassInfo* tmp_info = _tmp_dynamic_proxy_classes->adr_at(i);
+ bool exclude = false;
+ for (int j = 0; j < tmp_info->_interfaces->length(); j++) {
+ if (SystemDictionaryShared::is_excluded_class(InstanceKlass::cast(tmp_info->_interfaces->at(j)))) {
+ exclude = true;
+ break;
+ }
+ }
+ if (exclude) {
+ _tmp_dynamic_proxy_classes->remove_at(i);
+ }
+ }
+ int len = _tmp_dynamic_proxy_classes->length();
+ _dynamic_proxy_classes = ArchiveBuilder::new_ro_array<DynamicProxyClassInfo>(len);
+ ArchivePtrMarker::mark_pointer(&_dynamic_proxy_classes);
+ for (int i = 0; i < len; i++) {
+ TmpDynamicProxyClassInfo* tmp_info = _tmp_dynamic_proxy_classes->adr_at(i);
+ DynamicProxyClassInfo* info = _dynamic_proxy_classes->adr_at(i);
+ info->_loader_type = tmp_info->_loader_type;
+ info->_access_flags = tmp_info->_access_flags;
+ info->_proxy_name = ArchiveBuilder::current()->ro_strdup(tmp_info->_proxy_name);
+
+ ResourceMark rm;
+ GrowableArray<Klass*> buffered_interfaces;
+ for (int j = 0; j < tmp_info->_interfaces->length(); j++) {
+ InstanceKlass* intf = InstanceKlass::cast(tmp_info->_interfaces->at(j));
+ assert(!SystemDictionaryShared::is_excluded_class(intf), "sanity");
+ buffered_interfaces.append(ArchiveBuilder::current()->get_buffered_addr(intf));
+ }
+ info->_interfaces = ArchiveUtils::archive_array(&buffered_interfaces);
+
+ ArchivePtrMarker::mark_pointer(&info->_proxy_name);
+ ArchivePtrMarker::mark_pointer(&info->_interfaces);
+ ArchiveBuilder::alloc_stats()->record_dynamic_proxy_class();
+ }
+ }
}
void FinalImageRecipes::load_all_classes(TRAPS) {
assert(CDSConfig::is_dumping_final_static_archive(), "sanity");
Handle class_loader(THREAD, SystemDictionary::java_system_loader());
for (int i = 0; i < _all_klasses->length(); i++) {
Klass* k = _all_klasses->at(i);
if (k->is_instance_klass()) {
InstanceKlass* ik = InstanceKlass::cast(k);
- if (!ik->is_shared_unregistered_class() && !ik->is_hidden()) {
+ if (ik->is_shared_unregistered_class()) {
+ SystemDictionaryShared::init_dumptime_info(ik);
+ SystemDictionaryShared::add_unregistered_class(THREAD, ik);
+ } else if (!ik->is_hidden()) {
Klass* actual = SystemDictionary::resolve_or_fail(ik->name(), class_loader, true, CHECK);
if (actual != ik) {
ResourceMark rm(THREAD);
log_error(cds)("Unable to resolve class from CDS archive: %s", ik->external_name());
log_error(cds)("Expected: " INTPTR_FORMAT ", actual: " INTPTR_FORMAT, p2i(ik), p2i(actual));
AOTConstantPoolResolver::preresolve_indy_cp_entries(THREAD, ik, &preresolve_list);
}
}
}
+ void FinalImageRecipes::apply_recipes_for_reflection_data(JavaThread* current) {
+ assert(CDSConfig::is_dumping_final_static_archive(), "must be");
+
+ if (CDSConfig::is_dumping_reflection_data() && _reflect_klasses != nullptr) {
+ assert(_reflect_flags != nullptr, "must be");
+ for (int i = 0; i < _reflect_klasses->length(); i++) {
+ InstanceKlass* ik = _reflect_klasses->at(i);
+ int rd_flags = _reflect_flags->at(i);
+ AOTConstantPoolResolver::generate_reflection_data(current, ik, rd_flags);
+ }
+ }
+ }
+
+ void FinalImageRecipes::add_reflection_data_flags(InstanceKlass* ik, TRAPS) {
+ assert(CDSConfig::is_dumping_preimage_static_archive(), "must be");
+ if (SystemDictionaryShared::is_builtin_loader(ik->class_loader_data()) && !ik->is_hidden() &&
+ java_lang_Class::has_reflection_data(ik->java_mirror())) {
+ int rd_flags = AOTConstantPoolResolver::class_reflection_data_flags(ik, CHECK);
+ if (_tmp_reflect_klasses == nullptr) {
+ _tmp_reflect_klasses = new (mtClassShared) GrowableArray<InstanceKlass*>(100, mtClassShared);
+ _tmp_reflect_flags = new (mtClassShared) GrowableArray<int>(100, mtClassShared);
+ }
+ _tmp_reflect_klasses->append(ik);
+ _tmp_reflect_flags->append(rd_flags);
+ }
+ }
+
+ void FinalImageRecipes::add_dynamic_proxy_class(oop loader, const char* proxy_name, objArrayOop interfaces, int access_flags) {
+ int loader_type;
+ if (loader == nullptr) {
+ loader_type = ClassLoader::BOOT_LOADER;
+ } else if (loader == SystemDictionary::java_platform_loader()) {
+ loader_type = ClassLoader::PLATFORM_LOADER;
+ } else if (loader == SystemDictionary::java_system_loader()) {
+ loader_type = ClassLoader::APP_LOADER;
+ } else {
+ return;
+ }
+
+ if (_tmp_dynamic_proxy_classes == nullptr) {
+ _tmp_dynamic_proxy_classes = new (mtClassShared) GrowableArray<TmpDynamicProxyClassInfo>(32, mtClassShared);
+ }
+
+ log_info(cds, dynamic, proxy)("Adding proxy name %s", proxy_name);
+
+ TmpDynamicProxyClassInfo info;
+ info._loader_type = loader_type;
+ info._access_flags = access_flags;
+ info._proxy_name = os::strdup(proxy_name);
+ info._interfaces = new (mtClassShared) GrowableArray<Klass*>(interfaces->length(), mtClassShared);
+ for (int i = 0; i < interfaces->length(); i++) {
+ Klass* intf = java_lang_Class::as_Klass(interfaces->obj_at(i));
+ info._interfaces->append(InstanceKlass::cast(intf));
+
+ if (log_is_enabled(Info, cds, dynamic, proxy)) {
+ ResourceMark rm;
+ log_info(cds, dynamic, proxy)("interface[%d] = %s", i, intf->external_name());
+ }
+ }
+ _tmp_dynamic_proxy_classes->append(info);
+ }
+
+ void FinalImageRecipes::apply_recipes_for_dynamic_proxies(TRAPS) {
+ if (CDSConfig::is_dumping_dynamic_proxies() && _dynamic_proxy_classes != nullptr) {
+ for (int proxy_index = 0; proxy_index < _dynamic_proxy_classes->length(); proxy_index++) {
+ DynamicProxyClassInfo* info = _dynamic_proxy_classes->adr_at(proxy_index);
+
+ Handle loader(THREAD, ArchiveUtils::builtin_loader_from_type(info->_loader_type));
+
+ oop proxy_name_oop = java_lang_String::create_oop_from_str(info->_proxy_name, CHECK);
+ Handle proxy_name(THREAD, proxy_name_oop);
+
+ int num_intfs = info->_interfaces->length();
+ objArrayOop interfaces_oop = oopFactory::new_objArray(vmClasses::Class_klass(), num_intfs, CHECK);
+ objArrayHandle interfaces(THREAD, interfaces_oop);
+ for (int intf_index = 0; intf_index < num_intfs; intf_index++) {
+ Klass* k = info->_interfaces->at(intf_index);
+ assert(k->java_mirror() != nullptr, "must be loaded");
+ interfaces()->obj_at_put(intf_index, k->java_mirror());
+ }
+
+ AOTConstantPoolResolver::define_dynamic_proxy_class(loader, proxy_name, interfaces, info->_access_flags, CHECK);
+ }
+ }
+ }
+
void FinalImageRecipes::record_recipes() {
_final_image_recipes = new FinalImageRecipes();
_final_image_recipes->record_recipes_impl();
}
}
void FinalImageRecipes::apply_recipes_impl(TRAPS) {
load_all_classes(CHECK);
apply_recipes_for_invokedynamic(CHECK);
+ apply_recipes_for_reflection_data(CHECK);
+ apply_recipes_for_dynamic_proxies(CHECK);
}
void FinalImageRecipes::serialize(SerializeClosure* soc) {
soc->do_ptr((void**)&_final_image_recipes);
}
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