< prev index next > src/hotspot/share/cds/finalImageRecipes.cpp
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#include "classfile/vmClasses.hpp"
#include "memory/oopFactory.hpp"
#include "memory/resourceArea.hpp"
#include "oops/constantPool.inline.hpp"
#include "runtime/handles.inline.hpp"
+ #include "runtime/mutexLocker.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");
+ void FinalImageRecipes::record_all_classes() {
+ _all_klasses = ArchiveUtils::archive_array(ArchiveBuilder::current()->klasses());
+ ArchivePtrMarker::mark_pointer(&_all_klasses);
+ }
+
+ void FinalImageRecipes::record_recipes_for_constantpool() {
ResourceMark rm;
- GrowableArray<Klass*>* klasses = ArchiveBuilder::current()->klasses();
- // Record the indys that have been resolved in the training run. These indys will be
- // resolved during the final image assembly.
+ // 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.
- GrowableArray<InstanceKlass*> tmp_indy_klasses;
- GrowableArray<Array<int>*> tmp_indy_cp_indices;
- int total_indys_to_resolve = 0;
+ GrowableArray<Array<int>*> tmp_cp_recipes;
+ GrowableArray<int> tmp_cp_flags;
+
+ GrowableArray<Klass*>* klasses = ArchiveBuilder::current()->klasses();
for (int i = 0; i < klasses->length(); i++) {
+ GrowableArray<int> cp_indices;
+ int flags = 0;
+
Klass* k = klasses->at(i);
if (k->is_instance_klass()) {
InstanceKlass* ik = InstanceKlass::cast(k);
- GrowableArray<int> indices;
+ ConstantPool* cp = ik->constants();
+ ConstantPoolCache* cp_cache = cp->cache();
+
+ for (int cp_index = 1; cp_index < cp->length(); cp_index++) { // Index 0 is unused
+ if (cp->tag_at(cp_index).value() == JVM_CONSTANT_Class) {
+ Klass* k = cp->resolved_klass_at(cp_index);
+ if (k->is_instance_klass()) {
+ cp_indices.append(cp_index);
+ flags |= HAS_CLASS;
+ }
+ }
+ }
+
+ if (cp_cache != nullptr) {
+ Array<ResolvedFieldEntry>* field_entries = cp_cache->resolved_field_entries();
+ if (field_entries != nullptr) {
+ for (int i = 0; i < field_entries->length(); i++) {
+ ResolvedFieldEntry* rfe = field_entries->adr_at(i);
+ if (rfe->is_resolved(Bytecodes::_getfield) ||
+ rfe->is_resolved(Bytecodes::_putfield)) {
+ cp_indices.append(rfe->constant_pool_index());
+ flags |= HAS_FIELD_AND_METHOD;
+ }
+ }
+ }
+
+ Array<ResolvedMethodEntry>* method_entries = cp_cache->resolved_method_entries();
+ if (method_entries != nullptr) {
+ for (int i = 0; i < method_entries->length(); i++) {
+ ResolvedMethodEntry* rme = method_entries->adr_at(i);
+ if (rme->is_resolved(Bytecodes::_invokevirtual) ||
+ rme->is_resolved(Bytecodes::_invokespecial) ||
+ rme->is_resolved(Bytecodes::_invokeinterface) ||
+ rme->is_resolved(Bytecodes::_invokestatic) ||
+ rme->is_resolved(Bytecodes::_invokehandle)) {
+ cp_indices.append(rme->constant_pool_index());
+ flags |= HAS_FIELD_AND_METHOD;
+ }
+ }
+ }
- if (ik->constants()->cache() != nullptr) {
- Array<ResolvedIndyEntry>* tmp_indy_entries = ik->constants()->cache()->resolved_indy_entries();
- if (tmp_indy_entries != nullptr) {
- for (int i = 0; i < tmp_indy_entries->length(); i++) {
- ResolvedIndyEntry* rie = tmp_indy_entries->adr_at(i);
+ Array<ResolvedIndyEntry>* indy_entries = cp_cache->resolved_indy_entries();
+ if (indy_entries != nullptr) {
+ for (int i = 0; i < indy_entries->length(); i++) {
+ ResolvedIndyEntry* rie = indy_entries->adr_at(i);
int cp_index = rie->constant_pool_index();
if (rie->is_resolved()) {
- indices.append(cp_index);
+ cp_indices.append(cp_index);
+ flags |= HAS_INDY;
}
}
}
}
+ }
+
+ if (cp_indices.length() > 0) {
+ tmp_cp_recipes.append(ArchiveUtils::archive_array(&cp_indices));
+ } else {
+ tmp_cp_recipes.append(nullptr);
+ }
+ tmp_cp_flags.append(flags);
+ }
+
+ _cp_recipes = ArchiveUtils::archive_array(&tmp_cp_recipes);
+ ArchivePtrMarker::mark_pointer(&_cp_recipes);
- if (indices.length() > 0) {
- tmp_indy_klasses.append(ArchiveBuilder::current()->get_buffered_addr(ik));
- tmp_indy_cp_indices.append(ArchiveUtils::archive_array(&indices));
- total_indys_to_resolve += indices.length();
+ _cp_flags = ArchiveUtils::archive_array(&tmp_cp_flags);
+ ArchivePtrMarker::mark_pointer(&_cp_flags);
+ }
+
+ void FinalImageRecipes::apply_recipes_for_constantpool(JavaThread* current) {
+ assert(CDSConfig::is_dumping_final_static_archive(), "must be");
+
+ for (int i = 0; i < _all_klasses->length(); i++) {
+ Array<int>* cp_indices = _cp_recipes->at(i);
+ int flags = _cp_flags->at(i);
+ if (cp_indices != nullptr) {
+ InstanceKlass* ik = InstanceKlass::cast(_all_klasses->at(i));
+ if (ik->is_loaded()) {
+ ResourceMark rm(current);
+ ConstantPool* cp = ik->constants();
+ GrowableArray<bool> preresolve_list(cp->length(), cp->length(), false);
+ for (int j = 0; j < cp_indices->length(); j++) {
+ preresolve_list.at_put(cp_indices->at(j), true);
+ }
+ if ((flags & HAS_CLASS) != 0) {
+ AOTConstantPoolResolver::preresolve_class_cp_entries(current, ik, &preresolve_list);
+ }
+ if ((flags & HAS_FIELD_AND_METHOD) != 0) {
+ AOTConstantPoolResolver::preresolve_field_and_method_cp_entries(current, ik, &preresolve_list);
+ }
+ if ((flags & HAS_INDY) != 0) {
+ AOTConstantPoolResolver::preresolve_indy_cp_entries(current, ik, &preresolve_list);
+ }
}
}
}
+ }
- _all_klasses = ArchiveUtils::archive_array(klasses);
- ArchivePtrMarker::mark_pointer(&_all_klasses);
+ void FinalImageRecipes::record_recipes_for_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);
+ }
- assert(tmp_indy_klasses.length() == tmp_indy_cp_indices.length(), "must be");
- if (tmp_indy_klasses.length() > 0) {
- _indy_klasses = ArchiveUtils::archive_array(&tmp_indy_klasses);
- _indy_cp_indices = ArchiveUtils::archive_array(&tmp_indy_cp_indices);
+ void FinalImageRecipes::record_recipes_for_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);
- ArchivePtrMarker::mark_pointer(&_indy_klasses);
- ArchivePtrMarker::mark_pointer(&_indy_cp_indices);
+ 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();
+ }
}
- log_info(cds)("%d indies in %d classes will be resolved in final CDS image", total_indys_to_resolve, tmp_indy_klasses.length());
}
void FinalImageRecipes::load_all_classes(TRAPS) {
assert(CDSConfig::is_dumping_final_static_archive(), "sanity");
Handle class_loader(THREAD, SystemDictionary::java_system_loader());
}
}
}
}
- void FinalImageRecipes::apply_recipes_for_invokedynamic(TRAPS) {
+ void FinalImageRecipes::apply_recipes_for_reflection_data(JavaThread* current) {
assert(CDSConfig::is_dumping_final_static_archive(), "must be");
- if (CDSConfig::is_dumping_invokedynamic() && _indy_klasses != nullptr) {
- assert(_indy_cp_indices != nullptr, "must be");
- for (int i = 0; i < _indy_klasses->length(); i++) {
- InstanceKlass* ik = _indy_klasses->at(i);
- ConstantPool* cp = ik->constants();
- Array<int>* cp_indices = _indy_cp_indices->at(i);
- GrowableArray<bool> preresolve_list(cp->length(), cp->length(), false);
- for (int j = 0; j < cp_indices->length(); j++) {
- preresolve_list.at_put(cp_indices->at(j), true);
+ 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 (ik->is_linked() &&
+ 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);
+
+ MutexLocker mu(FinalImageRecipes_lock, Mutex::_no_safepoint_check_flag);
+ 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;
+ }
+
+ MutexLocker mu(FinalImageRecipes_lock, Mutex::_no_safepoint_check_flag);
+ 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::preresolve_indy_cp_entries(THREAD, ik, &preresolve_list);
+
+ AOTConstantPoolResolver::define_dynamic_proxy_class(loader, proxy_name, interfaces, info->_access_flags, CHECK);
}
}
}
void FinalImageRecipes::record_recipes() {
+ assert(CDSConfig::is_dumping_preimage_static_archive(), "must be");
_final_image_recipes = new FinalImageRecipes();
- _final_image_recipes->record_recipes_impl();
+ _final_image_recipes->record_all_classes();
+ _final_image_recipes->record_recipes_for_constantpool();
+ _final_image_recipes->record_recipes_for_reflection_data();
+ _final_image_recipes->record_recipes_for_dynamic_proxies();
}
void FinalImageRecipes::apply_recipes(TRAPS) {
assert(CDSConfig::is_dumping_final_static_archive(), "must be");
if (_final_image_recipes != nullptr) {
_final_image_recipes = nullptr;
}
void FinalImageRecipes::apply_recipes_impl(TRAPS) {
load_all_classes(CHECK);
- apply_recipes_for_invokedynamic(CHECK);
+ apply_recipes_for_constantpool(THREAD);
+ 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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