author | sspitsyn |
Mon, 26 Jan 2015 15:51:28 -0800 | |
changeset 28734 | a7ef74a8eca2 |
parent 28374 | 0558e321c027 |
child 29081 | c61eb4914428 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/classLoader.hpp" |
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#include "classfile/classLoaderData.hpp" |
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#include "classfile/javaClasses.hpp" |
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#include "classfile/stringTable.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "code/codeCache.hpp" |
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#include "code/dependencies.hpp" |
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#include "gc_interface/collectedHeap.inline.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "memory/cardTableModRefBS.hpp" |
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#include "memory/filemap.hpp" |
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#include "memory/gcLocker.inline.hpp" |
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#include "memory/genCollectedHeap.hpp" |
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#include "memory/genRemSet.hpp" |
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#include "memory/generation.hpp" |
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#include "memory/metadataFactory.hpp" |
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#include "memory/metaspaceShared.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "memory/space.hpp" |
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#include "memory/universe.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/constantPool.hpp" |
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#include "oops/instanceClassLoaderKlass.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/instanceMirrorKlass.hpp" |
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#include "oops/instanceRefKlass.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "oops/typeArrayKlass.hpp" |
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#include "prims/jvmtiRedefineClassesTrace.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/atomic.inline.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/fprofiler.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/init.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/synchronizer.hpp" |
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#include "runtime/thread.inline.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vm_operations.hpp" |
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#include "services/memoryService.hpp" |
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#include "utilities/copy.hpp" |
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#include "utilities/events.hpp" |
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#include "utilities/hashtable.inline.hpp" |
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#include "utilities/preserveException.hpp" |
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#include "utilities/macros.hpp" |
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#if INCLUDE_ALL_GCS |
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#include "gc_implementation/shared/adaptiveSizePolicy.hpp" |
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#include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp" |
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#include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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#include "gc_implementation/g1/g1CollectorPolicy_ext.hpp" |
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#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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#endif // INCLUDE_ALL_GCS |
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#if INCLUDE_CDS |
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#include "classfile/sharedClassUtil.hpp" |
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#endif |
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PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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// Known objects |
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Klass* Universe::_boolArrayKlassObj = NULL; |
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Klass* Universe::_byteArrayKlassObj = NULL; |
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Klass* Universe::_charArrayKlassObj = NULL; |
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Klass* Universe::_intArrayKlassObj = NULL; |
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Klass* Universe::_shortArrayKlassObj = NULL; |
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Klass* Universe::_longArrayKlassObj = NULL; |
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Klass* Universe::_singleArrayKlassObj = NULL; |
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Klass* Universe::_doubleArrayKlassObj = NULL; |
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Klass* Universe::_typeArrayKlassObjs[T_VOID+1] = { NULL /*, NULL...*/ }; |
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Klass* Universe::_objectArrayKlassObj = NULL; |
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oop Universe::_int_mirror = NULL; |
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oop Universe::_float_mirror = NULL; |
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oop Universe::_double_mirror = NULL; |
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oop Universe::_byte_mirror = NULL; |
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oop Universe::_bool_mirror = NULL; |
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oop Universe::_char_mirror = NULL; |
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oop Universe::_long_mirror = NULL; |
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oop Universe::_short_mirror = NULL; |
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oop Universe::_void_mirror = NULL; |
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oop Universe::_mirrors[T_VOID+1] = { NULL /*, NULL...*/ }; |
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oop Universe::_main_thread_group = NULL; |
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oop Universe::_system_thread_group = NULL; |
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objArrayOop Universe::_the_empty_class_klass_array = NULL; |
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Array<Klass*>* Universe::_the_array_interfaces_array = NULL; |
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oop Universe::_the_null_string = NULL; |
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oop Universe::_the_min_jint_string = NULL; |
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LatestMethodCache* Universe::_finalizer_register_cache = NULL; |
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LatestMethodCache* Universe::_loader_addClass_cache = NULL; |
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LatestMethodCache* Universe::_pd_implies_cache = NULL; |
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LatestMethodCache* Universe::_throw_illegal_access_error_cache = NULL; |
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oop Universe::_out_of_memory_error_java_heap = NULL; |
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oop Universe::_out_of_memory_error_metaspace = NULL; |
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oop Universe::_out_of_memory_error_class_metaspace = NULL; |
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oop Universe::_out_of_memory_error_array_size = NULL; |
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oop Universe::_out_of_memory_error_gc_overhead_limit = NULL; |
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oop Universe::_out_of_memory_error_realloc_objects = NULL; |
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objArrayOop Universe::_preallocated_out_of_memory_error_array = NULL; |
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volatile jint Universe::_preallocated_out_of_memory_error_avail_count = 0; |
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bool Universe::_verify_in_progress = false; |
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oop Universe::_null_ptr_exception_instance = NULL; |
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oop Universe::_arithmetic_exception_instance = NULL; |
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oop Universe::_virtual_machine_error_instance = NULL; |
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oop Universe::_vm_exception = NULL; |
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oop Universe::_allocation_context_notification_obj = NULL; |
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Array<int>* Universe::_the_empty_int_array = NULL; |
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Array<u2>* Universe::_the_empty_short_array = NULL; |
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Array<Klass*>* Universe::_the_empty_klass_array = NULL; |
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Array<Method*>* Universe::_the_empty_method_array = NULL; |
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// These variables are guarded by FullGCALot_lock. |
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debug_only(objArrayOop Universe::_fullgc_alot_dummy_array = NULL;) |
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debug_only(int Universe::_fullgc_alot_dummy_next = 0;) |
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// Heap |
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int Universe::_verify_count = 0; |
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int Universe::_base_vtable_size = 0; |
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bool Universe::_bootstrapping = false; |
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bool Universe::_fully_initialized = false; |
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size_t Universe::_heap_capacity_at_last_gc; |
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size_t Universe::_heap_used_at_last_gc = 0; |
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CollectedHeap* Universe::_collectedHeap = NULL; |
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NarrowPtrStruct Universe::_narrow_oop = { NULL, 0, true }; |
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NarrowPtrStruct Universe::_narrow_klass = { NULL, 0, true }; |
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address Universe::_narrow_ptrs_base; |
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void Universe::basic_type_classes_do(void f(Klass*)) { |
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f(boolArrayKlassObj()); |
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f(byteArrayKlassObj()); |
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f(charArrayKlassObj()); |
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f(intArrayKlassObj()); |
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f(shortArrayKlassObj()); |
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f(longArrayKlassObj()); |
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f(singleArrayKlassObj()); |
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f(doubleArrayKlassObj()); |
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} |
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void Universe::oops_do(OopClosure* f, bool do_all) { |
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f->do_oop((oop*) &_int_mirror); |
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f->do_oop((oop*) &_float_mirror); |
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f->do_oop((oop*) &_double_mirror); |
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f->do_oop((oop*) &_byte_mirror); |
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f->do_oop((oop*) &_bool_mirror); |
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f->do_oop((oop*) &_char_mirror); |
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f->do_oop((oop*) &_long_mirror); |
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f->do_oop((oop*) &_short_mirror); |
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f->do_oop((oop*) &_void_mirror); |
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for (int i = T_BOOLEAN; i < T_VOID+1; i++) { |
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f->do_oop((oop*) &_mirrors[i]); |
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184 |
} |
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185 |
assert(_mirrors[0] == NULL && _mirrors[T_BOOLEAN - 1] == NULL, "checking"); |
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f->do_oop((oop*)&_the_empty_class_klass_array); |
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f->do_oop((oop*)&_the_null_string); |
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f->do_oop((oop*)&_the_min_jint_string); |
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f->do_oop((oop*)&_out_of_memory_error_java_heap); |
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f->do_oop((oop*)&_out_of_memory_error_metaspace); |
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f->do_oop((oop*)&_out_of_memory_error_class_metaspace); |
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f->do_oop((oop*)&_out_of_memory_error_array_size); |
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f->do_oop((oop*)&_out_of_memory_error_gc_overhead_limit); |
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f->do_oop((oop*)&_out_of_memory_error_realloc_objects); |
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f->do_oop((oop*)&_preallocated_out_of_memory_error_array); |
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f->do_oop((oop*)&_null_ptr_exception_instance); |
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f->do_oop((oop*)&_arithmetic_exception_instance); |
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f->do_oop((oop*)&_virtual_machine_error_instance); |
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f->do_oop((oop*)&_main_thread_group); |
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f->do_oop((oop*)&_system_thread_group); |
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f->do_oop((oop*)&_vm_exception); |
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f->do_oop((oop*)&_allocation_context_notification_obj); |
1 | 204 |
debug_only(f->do_oop((oop*)&_fullgc_alot_dummy_array);) |
205 |
} |
|
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// Serialize metadata in and out of CDS archive, not oops. |
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void Universe::serialize(SerializeClosure* f, bool do_all) { |
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209 |
|
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f->do_ptr((void**)&_boolArrayKlassObj); |
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f->do_ptr((void**)&_byteArrayKlassObj); |
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f->do_ptr((void**)&_charArrayKlassObj); |
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f->do_ptr((void**)&_intArrayKlassObj); |
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f->do_ptr((void**)&_shortArrayKlassObj); |
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f->do_ptr((void**)&_longArrayKlassObj); |
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f->do_ptr((void**)&_singleArrayKlassObj); |
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f->do_ptr((void**)&_doubleArrayKlassObj); |
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f->do_ptr((void**)&_objectArrayKlassObj); |
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219 |
|
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{ |
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for (int i = 0; i < T_VOID+1; i++) { |
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if (_typeArrayKlassObjs[i] != NULL) { |
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assert(i >= T_BOOLEAN, "checking"); |
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f->do_ptr((void**)&_typeArrayKlassObjs[i]); |
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} else if (do_all) { |
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f->do_ptr((void**)&_typeArrayKlassObjs[i]); |
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} |
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} |
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} |
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230 |
|
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f->do_ptr((void**)&_the_array_interfaces_array); |
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f->do_ptr((void**)&_the_empty_int_array); |
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f->do_ptr((void**)&_the_empty_short_array); |
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f->do_ptr((void**)&_the_empty_method_array); |
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f->do_ptr((void**)&_the_empty_klass_array); |
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|
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_finalizer_register_cache->serialize(f); |
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_loader_addClass_cache->serialize(f); |
18056 | 238 |
_pd_implies_cache->serialize(f); |
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|
239 |
_throw_illegal_access_error_cache->serialize(f); |
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240 |
} |
1 | 241 |
|
242 |
void Universe::check_alignment(uintx size, uintx alignment, const char* name) { |
|
243 |
if (size < alignment || size % alignment != 0) { |
|
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vm_exit_during_initialization( |
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err_msg("Size of %s (" UINTX_FORMAT " bytes) must be aligned to " UINTX_FORMAT " bytes", name, size, alignment)); |
1 | 246 |
} |
247 |
} |
|
248 |
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void initialize_basic_type_klass(Klass* k, TRAPS) { |
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Klass* ok = SystemDictionary::Object_klass(); |
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251 |
if (UseSharedSpaces) { |
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ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data(); |
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assert(k->super() == ok, "u3"); |
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k->restore_unshareable_info(loader_data, Handle(), CHECK); |
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} else { |
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k->initialize_supers(ok, CHECK); |
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257 |
} |
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k->append_to_sibling_list(); |
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259 |
} |
1 | 260 |
|
261 |
void Universe::genesis(TRAPS) { |
|
262 |
ResourceMark rm; |
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263 |
|
1 | 264 |
{ FlagSetting fs(_bootstrapping, true); |
265 |
||
266 |
{ MutexLocker mc(Compile_lock); |
|
267 |
||
268 |
// determine base vtable size; without that we cannot create the array klasses |
|
269 |
compute_base_vtable_size(); |
|
270 |
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271 |
if (!UseSharedSpaces) { |
|
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_boolArrayKlassObj = TypeArrayKlass::create_klass(T_BOOLEAN, sizeof(jboolean), CHECK); |
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_charArrayKlassObj = TypeArrayKlass::create_klass(T_CHAR, sizeof(jchar), CHECK); |
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274 |
_singleArrayKlassObj = TypeArrayKlass::create_klass(T_FLOAT, sizeof(jfloat), CHECK); |
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275 |
_doubleArrayKlassObj = TypeArrayKlass::create_klass(T_DOUBLE, sizeof(jdouble), CHECK); |
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276 |
_byteArrayKlassObj = TypeArrayKlass::create_klass(T_BYTE, sizeof(jbyte), CHECK); |
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277 |
_shortArrayKlassObj = TypeArrayKlass::create_klass(T_SHORT, sizeof(jshort), CHECK); |
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_intArrayKlassObj = TypeArrayKlass::create_klass(T_INT, sizeof(jint), CHECK); |
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|
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_longArrayKlassObj = TypeArrayKlass::create_klass(T_LONG, sizeof(jlong), CHECK); |
1 | 280 |
|
281 |
_typeArrayKlassObjs[T_BOOLEAN] = _boolArrayKlassObj; |
|
282 |
_typeArrayKlassObjs[T_CHAR] = _charArrayKlassObj; |
|
283 |
_typeArrayKlassObjs[T_FLOAT] = _singleArrayKlassObj; |
|
284 |
_typeArrayKlassObjs[T_DOUBLE] = _doubleArrayKlassObj; |
|
285 |
_typeArrayKlassObjs[T_BYTE] = _byteArrayKlassObj; |
|
286 |
_typeArrayKlassObjs[T_SHORT] = _shortArrayKlassObj; |
|
287 |
_typeArrayKlassObjs[T_INT] = _intArrayKlassObj; |
|
288 |
_typeArrayKlassObjs[T_LONG] = _longArrayKlassObj; |
|
289 |
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ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data(); |
1 | 291 |
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_the_array_interfaces_array = MetadataFactory::new_array<Klass*>(null_cld, 2, NULL, CHECK); |
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293 |
_the_empty_int_array = MetadataFactory::new_array<int>(null_cld, 0, CHECK); |
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294 |
_the_empty_short_array = MetadataFactory::new_array<u2>(null_cld, 0, CHECK); |
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295 |
_the_empty_method_array = MetadataFactory::new_array<Method*>(null_cld, 0, CHECK); |
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296 |
_the_empty_klass_array = MetadataFactory::new_array<Klass*>(null_cld, 0, CHECK); |
1 | 297 |
} |
298 |
} |
|
299 |
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300 |
vmSymbols::initialize(CHECK); |
|
301 |
||
302 |
SystemDictionary::initialize(CHECK); |
|
303 |
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304 |
Klass* ok = SystemDictionary::Object_klass(); |
1 | 305 |
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_the_null_string = StringTable::intern("null", CHECK); |
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_the_min_jint_string = StringTable::intern("-2147483648", CHECK); |
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308 |
|
1 | 309 |
if (UseSharedSpaces) { |
310 |
// Verify shared interfaces array. |
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311 |
assert(_the_array_interfaces_array->at(0) == |
4571 | 312 |
SystemDictionary::Cloneable_klass(), "u3"); |
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|
313 |
assert(_the_array_interfaces_array->at(1) == |
4571 | 314 |
SystemDictionary::Serializable_klass(), "u3"); |
1 | 315 |
} else { |
316 |
// Set up shared interfaces array. (Do this before supers are set up.) |
|
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_the_array_interfaces_array->at_put(0, SystemDictionary::Cloneable_klass()); |
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|
318 |
_the_array_interfaces_array->at_put(1, SystemDictionary::Serializable_klass()); |
1 | 319 |
} |
320 |
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321 |
initialize_basic_type_klass(boolArrayKlassObj(), CHECK); |
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322 |
initialize_basic_type_klass(charArrayKlassObj(), CHECK); |
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323 |
initialize_basic_type_klass(singleArrayKlassObj(), CHECK); |
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324 |
initialize_basic_type_klass(doubleArrayKlassObj(), CHECK); |
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|
325 |
initialize_basic_type_klass(byteArrayKlassObj(), CHECK); |
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326 |
initialize_basic_type_klass(shortArrayKlassObj(), CHECK); |
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327 |
initialize_basic_type_klass(intArrayKlassObj(), CHECK); |
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328 |
initialize_basic_type_klass(longArrayKlassObj(), CHECK); |
1 | 329 |
} // end of core bootstrapping |
330 |
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331 |
// Maybe this could be lifted up now that object array can be initialized |
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332 |
// during the bootstrapping. |
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333 |
|
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|
334 |
// OLD |
1 | 335 |
// Initialize _objectArrayKlass after core bootstraping to make |
336 |
// sure the super class is set up properly for _objectArrayKlass. |
|
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|
337 |
// --- |
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338 |
// NEW |
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339 |
// Since some of the old system object arrays have been converted to |
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340 |
// ordinary object arrays, _objectArrayKlass will be loaded when |
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341 |
// SystemDictionary::initialize(CHECK); is run. See the extra check |
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342 |
// for Object_klass_loaded in objArrayKlassKlass::allocate_objArray_klass_impl. |
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|
343 |
_objectArrayKlassObj = InstanceKlass:: |
4571 | 344 |
cast(SystemDictionary::Object_klass())->array_klass(1, CHECK); |
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345 |
// OLD |
1 | 346 |
// Add the class to the class hierarchy manually to make sure that |
347 |
// its vtable is initialized after core bootstrapping is completed. |
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348 |
// --- |
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349 |
// New |
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|
350 |
// Have already been initialized. |
14488 | 351 |
_objectArrayKlassObj->append_to_sibling_list(); |
1 | 352 |
|
353 |
// Compute is_jdk version flags. |
|
354 |
// Only 1.3 or later has the java.lang.Shutdown class. |
|
355 |
// Only 1.4 or later has the java.lang.CharSequence interface. |
|
356 |
// Only 1.5 or later has the java.lang.management.MemoryUsage class. |
|
950 | 357 |
if (JDK_Version::is_partially_initialized()) { |
358 |
uint8_t jdk_version; |
|
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359 |
Klass* k = SystemDictionary::resolve_or_null( |
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|
360 |
vmSymbols::java_lang_management_MemoryUsage(), THREAD); |
1 | 361 |
CLEAR_PENDING_EXCEPTION; // ignore exceptions |
362 |
if (k == NULL) { |
|
950 | 363 |
k = SystemDictionary::resolve_or_null( |
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6990754: Use native memory and reference counting to implement SymbolTable
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7704
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changeset
|
364 |
vmSymbols::java_lang_CharSequence(), THREAD); |
1 | 365 |
CLEAR_PENDING_EXCEPTION; // ignore exceptions |
366 |
if (k == NULL) { |
|
950 | 367 |
k = SystemDictionary::resolve_or_null( |
8076
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
368 |
vmSymbols::java_lang_Shutdown(), THREAD); |
1 | 369 |
CLEAR_PENDING_EXCEPTION; // ignore exceptions |
370 |
if (k == NULL) { |
|
950 | 371 |
jdk_version = 2; |
1 | 372 |
} else { |
950 | 373 |
jdk_version = 3; |
1 | 374 |
} |
375 |
} else { |
|
950 | 376 |
jdk_version = 4; |
1 | 377 |
} |
378 |
} else { |
|
950 | 379 |
jdk_version = 5; |
1 | 380 |
} |
950 | 381 |
JDK_Version::fully_initialize(jdk_version); |
1 | 382 |
} |
383 |
||
384 |
#ifdef ASSERT |
|
385 |
if (FullGCALot) { |
|
386 |
// Allocate an array of dummy objects. |
|
387 |
// We'd like these to be at the bottom of the old generation, |
|
388 |
// so that when we free one and then collect, |
|
389 |
// (almost) the whole heap moves |
|
390 |
// and we find out if we actually update all the oops correctly. |
|
391 |
// But we can't allocate directly in the old generation, |
|
392 |
// so we allocate wherever, and hope that the first collection |
|
393 |
// moves these objects to the bottom of the old generation. |
|
394 |
// We can allocate directly in the permanent generation, so we do. |
|
395 |
int size; |
|
396 |
if (UseConcMarkSweepGC) { |
|
397 |
warning("Using +FullGCALot with concurrent mark sweep gc " |
|
398 |
"will not force all objects to relocate"); |
|
399 |
size = FullGCALotDummies; |
|
400 |
} else { |
|
401 |
size = FullGCALotDummies * 2; |
|
402 |
} |
|
13728
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changeset
|
403 |
objArrayOop naked_array = oopFactory::new_objArray(SystemDictionary::Object_klass(), size, CHECK); |
1 | 404 |
objArrayHandle dummy_array(THREAD, naked_array); |
405 |
int i = 0; |
|
406 |
while (i < size) { |
|
407 |
// Allocate dummy in old generation |
|
13728
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changeset
|
408 |
oop dummy = InstanceKlass::cast(SystemDictionary::Object_klass())->allocate_instance(CHECK); |
1 | 409 |
dummy_array->obj_at_put(i++, dummy); |
410 |
} |
|
411 |
{ |
|
412 |
// Only modify the global variable inside the mutex. |
|
413 |
// If we had a race to here, the other dummy_array instances |
|
414 |
// and their elements just get dropped on the floor, which is fine. |
|
415 |
MutexLocker ml(FullGCALot_lock); |
|
416 |
if (_fullgc_alot_dummy_array == NULL) { |
|
417 |
_fullgc_alot_dummy_array = dummy_array(); |
|
418 |
} |
|
419 |
} |
|
420 |
assert(i == _fullgc_alot_dummy_array->length(), "just checking"); |
|
421 |
} |
|
422 |
#endif |
|
14588
8ec26d2d9339
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
14583
diff
changeset
|
423 |
|
8ec26d2d9339
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
14583
diff
changeset
|
424 |
// Initialize dependency array for null class loader |
8ec26d2d9339
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
14583
diff
changeset
|
425 |
ClassLoaderData::the_null_class_loader_data()->init_dependencies(CHECK); |
8ec26d2d9339
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
14583
diff
changeset
|
426 |
|
1 | 427 |
} |
428 |
||
13728
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diff
changeset
|
429 |
// CDS support for patching vtables in metadata in the shared archive. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
430 |
// All types inherited from Metadata have vtables, but not types inherited |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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diff
changeset
|
431 |
// from MetaspaceObj, because the latter does not have virtual functions. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13195
diff
changeset
|
432 |
// If the metadata type has a vtable, it cannot be shared in the read-only |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
433 |
// section of the CDS archive, because the vtable pointer is patched. |
8076
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7704
diff
changeset
|
434 |
static inline void add_vtable(void** list, int* n, void* o, int count) { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7704
diff
changeset
|
435 |
guarantee((*n) < count, "vtable list too small"); |
14579
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14490
diff
changeset
|
436 |
void* vtable = dereference_vptr(o); |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14490
diff
changeset
|
437 |
assert(*(void**)(vtable) != NULL, "invalid vtable"); |
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7704
diff
changeset
|
438 |
list[(*n)++] = vtable; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7704
diff
changeset
|
439 |
} |
1 | 440 |
|
441 |
void Universe::init_self_patching_vtbl_list(void** list, int count) { |
|
442 |
int n = 0; |
|
13728
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coleenp
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13195
diff
changeset
|
443 |
{ InstanceKlass o; add_vtable(list, &n, &o, count); } |
13738
d67be49a5beb
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
13728
diff
changeset
|
444 |
{ InstanceClassLoaderKlass o; add_vtable(list, &n, &o, count); } |
d67be49a5beb
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
13728
diff
changeset
|
445 |
{ InstanceMirrorKlass o; add_vtable(list, &n, &o, count); } |
d67be49a5beb
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
13728
diff
changeset
|
446 |
{ InstanceRefKlass o; add_vtable(list, &n, &o, count); } |
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13753
diff
changeset
|
447 |
{ TypeArrayKlass o; add_vtable(list, &n, &o, count); } |
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13753
diff
changeset
|
448 |
{ ObjArrayKlass o; add_vtable(list, &n, &o, count); } |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
449 |
{ Method o; add_vtable(list, &n, &o, count); } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
450 |
{ ConstantPool o; add_vtable(list, &n, &o, count); } |
1 | 451 |
} |
452 |
||
453 |
void Universe::initialize_basic_type_mirrors(TRAPS) { |
|
454 |
assert(_int_mirror==NULL, "basic type mirrors already initialized"); |
|
455 |
_int_mirror = |
|
456 |
java_lang_Class::create_basic_type_mirror("int", T_INT, CHECK); |
|
457 |
_float_mirror = |
|
458 |
java_lang_Class::create_basic_type_mirror("float", T_FLOAT, CHECK); |
|
459 |
_double_mirror = |
|
460 |
java_lang_Class::create_basic_type_mirror("double", T_DOUBLE, CHECK); |
|
461 |
_byte_mirror = |
|
462 |
java_lang_Class::create_basic_type_mirror("byte", T_BYTE, CHECK); |
|
463 |
_bool_mirror = |
|
464 |
java_lang_Class::create_basic_type_mirror("boolean",T_BOOLEAN, CHECK); |
|
465 |
_char_mirror = |
|
466 |
java_lang_Class::create_basic_type_mirror("char", T_CHAR, CHECK); |
|
467 |
_long_mirror = |
|
468 |
java_lang_Class::create_basic_type_mirror("long", T_LONG, CHECK); |
|
469 |
_short_mirror = |
|
470 |
java_lang_Class::create_basic_type_mirror("short", T_SHORT, CHECK); |
|
471 |
_void_mirror = |
|
472 |
java_lang_Class::create_basic_type_mirror("void", T_VOID, CHECK); |
|
473 |
||
474 |
_mirrors[T_INT] = _int_mirror; |
|
475 |
_mirrors[T_FLOAT] = _float_mirror; |
|
476 |
_mirrors[T_DOUBLE] = _double_mirror; |
|
477 |
_mirrors[T_BYTE] = _byte_mirror; |
|
478 |
_mirrors[T_BOOLEAN] = _bool_mirror; |
|
479 |
_mirrors[T_CHAR] = _char_mirror; |
|
480 |
_mirrors[T_LONG] = _long_mirror; |
|
481 |
_mirrors[T_SHORT] = _short_mirror; |
|
482 |
_mirrors[T_VOID] = _void_mirror; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13195
diff
changeset
|
483 |
//_mirrors[T_OBJECT] = InstanceKlass::cast(_object_klass)->java_mirror(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
13195
diff
changeset
|
484 |
//_mirrors[T_ARRAY] = InstanceKlass::cast(_object_klass)->java_mirror(); |
1 | 485 |
} |
486 |
||
487 |
void Universe::fixup_mirrors(TRAPS) { |
|
488 |
// Bootstrap problem: all classes gets a mirror (java.lang.Class instance) assigned eagerly, |
|
489 |
// but we cannot do that for classes created before java.lang.Class is loaded. Here we simply |
|
490 |
// walk over permanent objects created so far (mostly classes) and fixup their mirrors. Note |
|
491 |
// that the number of objects allocated at this point is very small. |
|
4571 | 492 |
assert(SystemDictionary::Class_klass_loaded(), "java.lang.Class should be loaded"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
493 |
HandleMark hm(THREAD); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8724
diff
changeset
|
494 |
// Cache the start of the static fields |
13738
d67be49a5beb
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
13728
diff
changeset
|
495 |
InstanceMirrorKlass::init_offset_of_static_fields(); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8724
diff
changeset
|
496 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
497 |
GrowableArray <Klass*>* list = java_lang_Class::fixup_mirror_list(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
498 |
int list_length = list->length(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
499 |
for (int i = 0; i < list_length; i++) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
500 |
Klass* k = list->at(i); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
501 |
assert(k->is_klass(), "List should only hold classes"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
502 |
EXCEPTION_MARK; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
503 |
KlassHandle kh(THREAD, k); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
504 |
java_lang_Class::fixup_mirror(kh, CATCH); |
1 | 505 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
506 |
delete java_lang_Class::fixup_mirror_list(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
507 |
java_lang_Class::set_fixup_mirror_list(NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
508 |
} |
1 | 509 |
|
510 |
static bool has_run_finalizers_on_exit = false; |
|
511 |
||
512 |
void Universe::run_finalizers_on_exit() { |
|
513 |
if (has_run_finalizers_on_exit) return; |
|
514 |
has_run_finalizers_on_exit = true; |
|
515 |
||
516 |
// Called on VM exit. This ought to be run in a separate thread. |
|
517 |
if (TraceReferenceGC) tty->print_cr("Callback to run finalizers on exit"); |
|
518 |
{ |
|
519 |
PRESERVE_EXCEPTION_MARK; |
|
4571 | 520 |
KlassHandle finalizer_klass(THREAD, SystemDictionary::Finalizer_klass()); |
1 | 521 |
JavaValue result(T_VOID); |
522 |
JavaCalls::call_static( |
|
523 |
&result, |
|
524 |
finalizer_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
525 |
vmSymbols::run_finalizers_on_exit_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
526 |
vmSymbols::void_method_signature(), |
1 | 527 |
THREAD |
528 |
); |
|
529 |
// Ignore any pending exceptions |
|
530 |
CLEAR_PENDING_EXCEPTION; |
|
531 |
} |
|
532 |
} |
|
533 |
||
534 |
||
535 |
// initialize_vtable could cause gc if |
|
536 |
// 1) we specified true to initialize_vtable and |
|
537 |
// 2) this ran after gc was enabled |
|
538 |
// In case those ever change we use handles for oops |
|
539 |
void Universe::reinitialize_vtable_of(KlassHandle k_h, TRAPS) { |
|
540 |
// init vtable of k and all subclasses |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
541 |
Klass* ko = k_h(); |
1 | 542 |
klassVtable* vt = ko->vtable(); |
543 |
if (vt) vt->initialize_vtable(false, CHECK); |
|
544 |
if (ko->oop_is_instance()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
545 |
InstanceKlass* ik = (InstanceKlass*)ko; |
18073
f02460441ddc
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
18025
diff
changeset
|
546 |
for (KlassHandle s_h(THREAD, ik->subklass()); |
f02460441ddc
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
18025
diff
changeset
|
547 |
s_h() != NULL; |
f02460441ddc
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
18025
diff
changeset
|
548 |
s_h = KlassHandle(THREAD, s_h()->next_sibling())) { |
1 | 549 |
reinitialize_vtable_of(s_h, CHECK); |
550 |
} |
|
551 |
} |
|
552 |
} |
|
553 |
||
554 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
555 |
void initialize_itable_for_klass(Klass* k, TRAPS) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
556 |
InstanceKlass::cast(k)->itable()->initialize_itable(false, CHECK); |
1 | 557 |
} |
558 |
||
559 |
||
560 |
void Universe::reinitialize_itables(TRAPS) { |
|
561 |
SystemDictionary::classes_do(initialize_itable_for_klass, CHECK); |
|
562 |
||
563 |
} |
|
564 |
||
565 |
||
566 |
bool Universe::on_page_boundary(void* addr) { |
|
567 |
return ((uintptr_t) addr) % os::vm_page_size() == 0; |
|
568 |
} |
|
569 |
||
570 |
||
571 |
bool Universe::should_fill_in_stack_trace(Handle throwable) { |
|
572 |
// never attempt to fill in the stack trace of preallocated errors that do not have |
|
573 |
// backtrace. These errors are kept alive forever and may be "re-used" when all |
|
574 |
// preallocated errors with backtrace have been consumed. Also need to avoid |
|
575 |
// a potential loop which could happen if an out of memory occurs when attempting |
|
576 |
// to allocate the backtrace. |
|
577 |
return ((throwable() != Universe::_out_of_memory_error_java_heap) && |
|
18491
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
578 |
(throwable() != Universe::_out_of_memory_error_metaspace) && |
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
579 |
(throwable() != Universe::_out_of_memory_error_class_metaspace) && |
1 | 580 |
(throwable() != Universe::_out_of_memory_error_array_size) && |
28039
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
581 |
(throwable() != Universe::_out_of_memory_error_gc_overhead_limit) && |
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
582 |
(throwable() != Universe::_out_of_memory_error_realloc_objects)); |
1 | 583 |
} |
584 |
||
585 |
||
586 |
oop Universe::gen_out_of_memory_error(oop default_err) { |
|
587 |
// generate an out of memory error: |
|
588 |
// - if there is a preallocated error with backtrace available then return it wth |
|
589 |
// a filled in stack trace. |
|
590 |
// - if there are no preallocated errors with backtrace available then return |
|
591 |
// an error without backtrace. |
|
592 |
int next; |
|
593 |
if (_preallocated_out_of_memory_error_avail_count > 0) { |
|
594 |
next = (int)Atomic::add(-1, &_preallocated_out_of_memory_error_avail_count); |
|
595 |
assert(next < (int)PreallocatedOutOfMemoryErrorCount, "avail count is corrupt"); |
|
596 |
} else { |
|
597 |
next = -1; |
|
598 |
} |
|
599 |
if (next < 0) { |
|
600 |
// all preallocated errors have been used. |
|
601 |
// return default |
|
602 |
return default_err; |
|
603 |
} else { |
|
604 |
// get the error object at the slot and set set it to NULL so that the |
|
605 |
// array isn't keeping it alive anymore. |
|
606 |
oop exc = preallocated_out_of_memory_errors()->obj_at(next); |
|
607 |
assert(exc != NULL, "slot has been used already"); |
|
608 |
preallocated_out_of_memory_errors()->obj_at_put(next, NULL); |
|
609 |
||
610 |
// use the message from the default error |
|
611 |
oop msg = java_lang_Throwable::message(default_err); |
|
612 |
assert(msg != NULL, "no message"); |
|
613 |
java_lang_Throwable::set_message(exc, msg); |
|
614 |
||
615 |
// populate the stack trace and return it. |
|
616 |
java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(exc); |
|
617 |
return exc; |
|
618 |
} |
|
619 |
} |
|
620 |
||
20011
d74937287461
8024760: add more types, fields and constants to VMStructs
twisti
parents:
19546
diff
changeset
|
621 |
intptr_t Universe::_non_oop_bits = 0; |
1 | 622 |
|
623 |
void* Universe::non_oop_word() { |
|
624 |
// Neither the high bits nor the low bits of this value is allowed |
|
625 |
// to look like (respectively) the high or low bits of a real oop. |
|
626 |
// |
|
627 |
// High and low are CPU-specific notions, but low always includes |
|
628 |
// the low-order bit. Since oops are always aligned at least mod 4, |
|
629 |
// setting the low-order bit will ensure that the low half of the |
|
630 |
// word will never look like that of a real oop. |
|
631 |
// |
|
632 |
// Using the OS-supplied non-memory-address word (usually 0 or -1) |
|
633 |
// will take care of the high bits, however many there are. |
|
634 |
||
20011
d74937287461
8024760: add more types, fields and constants to VMStructs
twisti
parents:
19546
diff
changeset
|
635 |
if (_non_oop_bits == 0) { |
d74937287461
8024760: add more types, fields and constants to VMStructs
twisti
parents:
19546
diff
changeset
|
636 |
_non_oop_bits = (intptr_t)os::non_memory_address_word() | 1; |
1 | 637 |
} |
638 |
||
20011
d74937287461
8024760: add more types, fields and constants to VMStructs
twisti
parents:
19546
diff
changeset
|
639 |
return (void*)_non_oop_bits; |
1 | 640 |
} |
641 |
||
642 |
jint universe_init() { |
|
643 |
assert(!Universe::_fully_initialized, "called after initialize_vtables"); |
|
644 |
guarantee(1 << LogHeapWordSize == sizeof(HeapWord), |
|
645 |
"LogHeapWordSize is incorrect."); |
|
646 |
guarantee(sizeof(oop) >= sizeof(HeapWord), "HeapWord larger than oop?"); |
|
647 |
guarantee(sizeof(oop) % sizeof(HeapWord) == 0, |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
648 |
"oop size is not not a multiple of HeapWord size"); |
1 | 649 |
TraceTime timer("Genesis", TraceStartupTime); |
650 |
JavaClasses::compute_hard_coded_offsets(); |
|
651 |
||
652 |
jint status = Universe::initialize_heap(); |
|
653 |
if (status != JNI_OK) { |
|
654 |
return status; |
|
655 |
} |
|
656 |
||
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
657 |
Metaspace::global_initialize(); |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
658 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
659 |
// Create memory for metadata. Must be after initializing heap for |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
660 |
// DumpSharedSpaces. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
661 |
ClassLoaderData::init_null_class_loader_data(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
662 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
663 |
// We have a heap so create the Method* caches before |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
664 |
// Metaspace::initialize_shared_spaces() tries to populate them. |
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
665 |
Universe::_finalizer_register_cache = new LatestMethodCache(); |
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
666 |
Universe::_loader_addClass_cache = new LatestMethodCache(); |
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
667 |
Universe::_pd_implies_cache = new LatestMethodCache(); |
28734
a7ef74a8eca2
8068162: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found
sspitsyn
parents:
28374
diff
changeset
|
668 |
Universe::_throw_illegal_access_error_cache = new LatestMethodCache(); |
1 | 669 |
|
670 |
if (UseSharedSpaces) { |
|
671 |
// Read the data structures supporting the shared spaces (shared |
|
672 |
// system dictionary, symbol table, etc.). After that, access to |
|
673 |
// the file (other than the mapped regions) is no longer needed, and |
|
674 |
// the file is closed. Closing the file does not affect the |
|
675 |
// currently mapped regions. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
676 |
MetaspaceShared::initialize_shared_spaces(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
677 |
StringTable::create_table(); |
1 | 678 |
} else { |
679 |
SymbolTable::create_table(); |
|
680 |
StringTable::create_table(); |
|
681 |
ClassLoader::create_package_info_table(); |
|
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
682 |
|
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
683 |
if (DumpSharedSpaces) { |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
684 |
MetaspaceShared::prepare_for_dumping(); |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
685 |
} |
1 | 686 |
} |
687 |
||
688 |
return JNI_OK; |
|
689 |
} |
|
690 |
||
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
691 |
// Choose the heap base address and oop encoding mode |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
692 |
// when compressed oops are used: |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
693 |
// Unscaled - Use 32-bits oops without encoding when |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
694 |
// NarrowOopHeapBaseMin + heap_size < 4Gb |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
695 |
// ZeroBased - Use zero based compressed oops with encoding when |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
696 |
// NarrowOopHeapBaseMin + heap_size < 32Gb |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
697 |
// HeapBased - Use compressed oops with heap base + encoding. |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
698 |
|
1 | 699 |
jint Universe::initialize_heap() { |
700 |
||
701 |
if (UseParallelGC) { |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
702 |
#if INCLUDE_ALL_GCS |
1 | 703 |
Universe::_collectedHeap = new ParallelScavengeHeap(); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
704 |
#else // INCLUDE_ALL_GCS |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13753
diff
changeset
|
705 |
fatal("UseParallelGC not supported in this VM."); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
706 |
#endif // INCLUDE_ALL_GCS |
1 | 707 |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
708 |
} else if (UseG1GC) { |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
709 |
#if INCLUDE_ALL_GCS |
27892
06a143c836ad
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
27683
diff
changeset
|
710 |
G1CollectorPolicyExt* g1p = new G1CollectorPolicyExt(); |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
21560
diff
changeset
|
711 |
g1p->initialize_all(); |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
712 |
G1CollectedHeap* g1h = new G1CollectedHeap(g1p); |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
713 |
Universe::_collectedHeap = g1h; |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
714 |
#else // INCLUDE_ALL_GCS |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
715 |
fatal("UseG1GC not supported in java kernel vm."); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
716 |
#endif // INCLUDE_ALL_GCS |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
717 |
|
1 | 718 |
} else { |
719 |
GenCollectorPolicy *gc_policy; |
|
720 |
||
721 |
if (UseSerialGC) { |
|
722 |
gc_policy = new MarkSweepPolicy(); |
|
723 |
} else if (UseConcMarkSweepGC) { |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
724 |
#if INCLUDE_ALL_GCS |
25485
9c3d427eed01
8034246: remove CMS and ParNew adaptive size policy code
jcoomes
parents:
25351
diff
changeset
|
725 |
gc_policy = new ConcurrentMarkSweepPolicy(); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
726 |
#else // INCLUDE_ALL_GCS |
25485
9c3d427eed01
8034246: remove CMS and ParNew adaptive size policy code
jcoomes
parents:
25351
diff
changeset
|
727 |
fatal("UseConcMarkSweepGC not supported in this VM."); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14590
diff
changeset
|
728 |
#endif // INCLUDE_ALL_GCS |
1 | 729 |
} else { // default old generation |
730 |
gc_policy = new MarkSweepPolicy(); |
|
731 |
} |
|
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
21560
diff
changeset
|
732 |
gc_policy->initialize_all(); |
1 | 733 |
|
734 |
Universe::_collectedHeap = new GenCollectedHeap(gc_policy); |
|
735 |
} |
|
736 |
||
22552 | 737 |
ThreadLocalAllocBuffer::set_max_size(Universe::heap()->max_tlab_size()); |
738 |
||
1 | 739 |
jint status = Universe::heap()->initialize(); |
740 |
if (status != JNI_OK) { |
|
741 |
return status; |
|
742 |
} |
|
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
743 |
|
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
744 |
#ifdef _LP64 |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
745 |
if (UseCompressedOops) { |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
746 |
// Subtract a page because something can get allocated at heap base. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
747 |
// This also makes implicit null checking work, because the |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
748 |
// memory+1 page below heap_base needs to cause a signal. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
749 |
// See needs_explicit_null_check. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
750 |
// Only set the heap base for compressed oops because it indicates |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
751 |
// compressed oops for pstack code. |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
752 |
if ((uint64_t)Universe::heap()->reserved_region().end() > UnscaledOopHeapMax) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
753 |
// Didn't reserve heap below 4Gb. Must shift. |
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
754 |
Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes); |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
755 |
} |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
756 |
if ((uint64_t)Universe::heap()->reserved_region().end() <= OopEncodingHeapMax) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
757 |
// Did reserve heap below 32Gb. Can use base == 0; |
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
758 |
Universe::set_narrow_oop_base(0); |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
759 |
} |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
760 |
|
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
761 |
Universe::set_narrow_ptrs_base(Universe::narrow_oop_base()); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
762 |
|
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
763 |
if (PrintCompressedOopsMode || (PrintMiscellaneous && Verbose)) { |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
764 |
Universe::print_compressed_oops_mode(); |
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
765 |
} |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
766 |
|
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
767 |
// Tell tests in which mode we run. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
768 |
Arguments::PropertyList_add(new SystemProperty("java.vm.compressedOopsMode", |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
769 |
narrow_oop_mode_to_string(narrow_oop_mode()), |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
770 |
false)); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
771 |
} |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
772 |
// Universe::narrow_oop_base() is one page below the heap. |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
773 |
assert((intptr_t)Universe::narrow_oop_base() <= (intptr_t)(Universe::heap()->base() - |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
774 |
os::vm_page_size()) || |
2254
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
775 |
Universe::narrow_oop_base() == NULL, "invalid value"); |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
776 |
assert(Universe::narrow_oop_shift() == LogMinObjAlignmentInBytes || |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
777 |
Universe::narrow_oop_shift() == 0, "invalid value"); |
f13dda645a4b
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
1681
diff
changeset
|
778 |
#endif |
1 | 779 |
|
780 |
// We will never reach the CATCH below since Exceptions::_throw will cause |
|
781 |
// the VM to exit if an exception is thrown during initialization |
|
782 |
||
783 |
if (UseTLAB) { |
|
784 |
assert(Universe::heap()->supports_tlab_allocation(), |
|
785 |
"Should support thread-local allocation buffers"); |
|
786 |
ThreadLocalAllocBuffer::startup_initialization(); |
|
787 |
} |
|
788 |
return JNI_OK; |
|
789 |
} |
|
790 |
||
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
791 |
void Universe::print_compressed_oops_mode() { |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
792 |
tty->cr(); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
793 |
tty->print("heap address: " PTR_FORMAT ", size: " SIZE_FORMAT " MB", |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
794 |
Universe::heap()->base(), Universe::heap()->reserved_region().byte_size()/M); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
795 |
|
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
796 |
tty->print(", Compressed Oops mode: %s", narrow_oop_mode_to_string(narrow_oop_mode())); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
797 |
|
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
798 |
if (Universe::narrow_oop_base() != 0) { |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
799 |
tty->print(": " PTR_FORMAT, Universe::narrow_oop_base()); |
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
800 |
} |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
801 |
|
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
802 |
if (Universe::narrow_oop_shift() != 0) { |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
803 |
tty->print(", Oop shift amount: %d", Universe::narrow_oop_shift()); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
804 |
} |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
805 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
806 |
if (!Universe::narrow_oop_use_implicit_null_checks()) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
807 |
tty->print(", no protected page in front of the heap"); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
808 |
} |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
809 |
|
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
810 |
tty->cr(); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
811 |
tty->cr(); |
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
812 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
813 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
814 |
ReservedSpace Universe::reserve_heap(size_t heap_size, size_t alignment) { |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
815 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
816 |
assert(alignment <= Arguments::conservative_max_heap_alignment(), |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
817 |
err_msg("actual alignment "SIZE_FORMAT" must be within maximum heap alignment "SIZE_FORMAT, |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
818 |
alignment, Arguments::conservative_max_heap_alignment())); |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
819 |
|
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
820 |
size_t total_reserved = align_size_up(heap_size, alignment); |
15957
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15484
diff
changeset
|
821 |
assert(!UseCompressedOops || (total_reserved <= (OopEncodingHeapMax - os::vm_page_size())), |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15484
diff
changeset
|
822 |
"heap size is too big for compressed oops"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
823 |
|
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19322
diff
changeset
|
824 |
bool use_large_pages = UseLargePages && is_size_aligned(alignment, os::large_page_size()); |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19322
diff
changeset
|
825 |
assert(!UseLargePages |
19996
a98fdabb2ba9
8024396: VM crashing with assert(!UseLargePages || UseParallelOldGC || use_large_pages) failed: Wrong alignment to use large pages
tschatzl
parents:
19986
diff
changeset
|
826 |
|| UseParallelGC |
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19322
diff
changeset
|
827 |
|| use_large_pages, "Wrong alignment to use large pages"); |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19322
diff
changeset
|
828 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
829 |
// Now create the space. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
830 |
ReservedHeapSpace total_rs(total_reserved, alignment, use_large_pages); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
831 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
832 |
if (total_rs.is_reserved()) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
833 |
assert((total_reserved == total_rs.size()) && ((uintptr_t)total_rs.base() % alignment == 0), |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
834 |
"must be exactly of required size and alignment"); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
835 |
// We are good. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
836 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
837 |
if (UseCompressedOops) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
838 |
// Universe::initialize_heap() will reset this to NULL if unscaled |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
839 |
// or zero-based narrow oops are actually used. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
840 |
// Else heap start and base MUST differ, so that NULL can be encoded nonambigous. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
841 |
Universe::set_narrow_oop_base((address)total_rs.compressed_oop_base()); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
842 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
843 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
844 |
return total_rs; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
845 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
846 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
847 |
vm_exit_during_initialization( |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
848 |
err_msg("Could not reserve enough space for " SIZE_FORMAT "KB object heap", |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
849 |
total_reserved/K)); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
850 |
|
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
851 |
// satisfy compiler |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
852 |
ShouldNotReachHere(); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
853 |
return ReservedHeapSpace(0, 0, false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
854 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
855 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
856 |
|
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19278
diff
changeset
|
857 |
// It's the caller's responsibility to ensure glitch-freedom |
1 | 858 |
// (if required). |
859 |
void Universe::update_heap_info_at_gc() { |
|
860 |
_heap_capacity_at_last_gc = heap()->capacity(); |
|
861 |
_heap_used_at_last_gc = heap()->used(); |
|
862 |
} |
|
863 |
||
864 |
||
18025 | 865 |
const char* Universe::narrow_oop_mode_to_string(Universe::NARROW_OOP_MODE mode) { |
866 |
switch (mode) { |
|
867 |
case UnscaledNarrowOop: |
|
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
868 |
return "32-bit"; |
18025 | 869 |
case ZeroBasedNarrowOop: |
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
870 |
return "Zero based"; |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
871 |
case DisjointBaseNarrowOop: |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
872 |
return "Non-zero disjoint base"; |
18025 | 873 |
case HeapBasedNarrowOop: |
26688
bb0cdd873e51
8022865: [TESTBUG] Compressed Oops testing needs to be revised
ctornqvi
parents:
26563
diff
changeset
|
874 |
return "Non-zero based"; |
18025 | 875 |
} |
876 |
||
877 |
ShouldNotReachHere(); |
|
878 |
return ""; |
|
879 |
} |
|
880 |
||
881 |
||
882 |
Universe::NARROW_OOP_MODE Universe::narrow_oop_mode() { |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
883 |
if (narrow_oop_base_disjoint()) { |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
884 |
return DisjointBaseNarrowOop; |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
885 |
} |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
28363
diff
changeset
|
886 |
|
18025 | 887 |
if (narrow_oop_base() != 0) { |
888 |
return HeapBasedNarrowOop; |
|
889 |
} |
|
890 |
||
891 |
if (narrow_oop_shift() != 0) { |
|
892 |
return ZeroBasedNarrowOop; |
|
893 |
} |
|
894 |
||
895 |
return UnscaledNarrowOop; |
|
896 |
} |
|
897 |
||
1 | 898 |
|
899 |
void universe2_init() { |
|
900 |
EXCEPTION_MARK; |
|
901 |
Universe::genesis(CATCH); |
|
902 |
} |
|
903 |
||
904 |
||
905 |
bool universe_post_init() { |
|
7384
71eebb634028
7000578: CMS: assert(SafepointSynchronize::is_at_safepoint()) failed: Else races are possible
ysr
parents:
5702
diff
changeset
|
906 |
assert(!is_init_completed(), "Error: initialization not yet completed!"); |
1 | 907 |
Universe::_fully_initialized = true; |
908 |
EXCEPTION_MARK; |
|
909 |
{ ResourceMark rm; |
|
910 |
Interpreter::initialize(); // needed for interpreter entry points |
|
911 |
if (!UseSharedSpaces) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
912 |
HandleMark hm(THREAD); |
4571 | 913 |
KlassHandle ok_h(THREAD, SystemDictionary::Object_klass()); |
1 | 914 |
Universe::reinitialize_vtable_of(ok_h, CHECK_false); |
915 |
Universe::reinitialize_itables(CHECK_false); |
|
916 |
} |
|
917 |
} |
|
918 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
919 |
HandleMark hm(THREAD); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
920 |
Klass* k; |
1 | 921 |
instanceKlassHandle k_h; |
922 |
// Setup preallocated empty java.lang.Class array |
|
4571 | 923 |
Universe::_the_empty_class_klass_array = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
924 |
|
1 | 925 |
// Setup preallocated OutOfMemoryError errors |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
926 |
k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_OutOfMemoryError(), true, CHECK_false); |
1 | 927 |
k_h = instanceKlassHandle(THREAD, k); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
928 |
Universe::_out_of_memory_error_java_heap = k_h->allocate_instance(CHECK_false); |
18491
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
929 |
Universe::_out_of_memory_error_metaspace = k_h->allocate_instance(CHECK_false); |
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
930 |
Universe::_out_of_memory_error_class_metaspace = k_h->allocate_instance(CHECK_false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
931 |
Universe::_out_of_memory_error_array_size = k_h->allocate_instance(CHECK_false); |
1 | 932 |
Universe::_out_of_memory_error_gc_overhead_limit = |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
933 |
k_h->allocate_instance(CHECK_false); |
28039
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
934 |
Universe::_out_of_memory_error_realloc_objects = k_h->allocate_instance(CHECK_false); |
1 | 935 |
|
936 |
// Setup preallocated NullPointerException |
|
937 |
// (this is currently used for a cheap & dirty solution in compiler exception handling) |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
938 |
k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_NullPointerException(), true, CHECK_false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
939 |
Universe::_null_ptr_exception_instance = InstanceKlass::cast(k)->allocate_instance(CHECK_false); |
1 | 940 |
// Setup preallocated ArithmeticException |
941 |
// (this is currently used for a cheap & dirty solution in compiler exception handling) |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
942 |
k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_ArithmeticException(), true, CHECK_false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
943 |
Universe::_arithmetic_exception_instance = InstanceKlass::cast(k)->allocate_instance(CHECK_false); |
1 | 944 |
// Virtual Machine Error for when we get into a situation we can't resolve |
945 |
k = SystemDictionary::resolve_or_fail( |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
946 |
vmSymbols::java_lang_VirtualMachineError(), true, CHECK_false); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
947 |
bool linked = InstanceKlass::cast(k)->link_class_or_fail(CHECK_false); |
1 | 948 |
if (!linked) { |
949 |
tty->print_cr("Unable to link/verify VirtualMachineError class"); |
|
950 |
return false; // initialization failed |
|
951 |
} |
|
952 |
Universe::_virtual_machine_error_instance = |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
953 |
InstanceKlass::cast(k)->allocate_instance(CHECK_false); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
954 |
|
21560
b3ae3ba25ebb
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
20022
diff
changeset
|
955 |
Universe::_vm_exception = InstanceKlass::cast(k)->allocate_instance(CHECK_false); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7704
diff
changeset
|
956 |
|
1 | 957 |
if (!DumpSharedSpaces) { |
958 |
// These are the only Java fields that are currently set during shared space dumping. |
|
959 |
// We prefer to not handle this generally, so we always reinitialize these detail messages. |
|
960 |
Handle msg = java_lang_String::create_from_str("Java heap space", CHECK_false); |
|
961 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_java_heap, msg()); |
|
962 |
||
21186
db851068711f
8026822: metaspace/flags/maxMetaspaceSize throws OOM of unexpected type.java.lang.OutOfMemoryError: Compressed class space
hseigel
parents:
20022
diff
changeset
|
963 |
msg = java_lang_String::create_from_str("Metaspace", CHECK_false); |
18491
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
964 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_metaspace, msg()); |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19546
diff
changeset
|
965 |
msg = java_lang_String::create_from_str("Compressed class space", CHECK_false); |
18491
dd63ba6b0ee4
8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
coleenp
parents:
18073
diff
changeset
|
966 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_class_metaspace, msg()); |
1 | 967 |
|
968 |
msg = java_lang_String::create_from_str("Requested array size exceeds VM limit", CHECK_false); |
|
969 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_array_size, msg()); |
|
970 |
||
971 |
msg = java_lang_String::create_from_str("GC overhead limit exceeded", CHECK_false); |
|
972 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_gc_overhead_limit, msg()); |
|
973 |
||
28039
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
974 |
msg = java_lang_String::create_from_str("Java heap space: failed reallocation of scalar replaced objects", CHECK_false); |
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
975 |
java_lang_Throwable::set_message(Universe::_out_of_memory_error_realloc_objects, msg()); |
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27892
diff
changeset
|
976 |
|
1 | 977 |
msg = java_lang_String::create_from_str("/ by zero", CHECK_false); |
978 |
java_lang_Throwable::set_message(Universe::_arithmetic_exception_instance, msg()); |
|
979 |
||
980 |
// Setup the array of errors that have preallocated backtrace |
|
981 |
k = Universe::_out_of_memory_error_java_heap->klass(); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
982 |
assert(k->name() == vmSymbols::java_lang_OutOfMemoryError(), "should be out of memory error"); |
1 | 983 |
k_h = instanceKlassHandle(THREAD, k); |
984 |
||
985 |
int len = (StackTraceInThrowable) ? (int)PreallocatedOutOfMemoryErrorCount : 0; |
|
986 |
Universe::_preallocated_out_of_memory_error_array = oopFactory::new_objArray(k_h(), len, CHECK_false); |
|
987 |
for (int i=0; i<len; i++) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
988 |
oop err = k_h->allocate_instance(CHECK_false); |
1 | 989 |
Handle err_h = Handle(THREAD, err); |
990 |
java_lang_Throwable::allocate_backtrace(err_h, CHECK_false); |
|
991 |
Universe::preallocated_out_of_memory_errors()->obj_at_put(i, err_h()); |
|
992 |
} |
|
993 |
Universe::_preallocated_out_of_memory_error_avail_count = (jint)len; |
|
994 |
} |
|
995 |
||
996 |
||
997 |
// Setup static method for registering finalizers |
|
998 |
// The finalizer klass must be linked before looking up the method, in |
|
999 |
// case it needs to get rewritten. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1000 |
InstanceKlass::cast(SystemDictionary::Finalizer_klass())->link_class(CHECK_false); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1001 |
Method* m = InstanceKlass::cast(SystemDictionary::Finalizer_klass())->find_method( |
1 | 1002 |
vmSymbols::register_method_name(), |
1003 |
vmSymbols::register_method_signature()); |
|
1004 |
if (m == NULL || !m->is_static()) { |
|
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1005 |
tty->print_cr("Unable to link/verify Finalizer.register method"); |
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1006 |
return false; // initialization failed (cannot throw exception yet) |
1 | 1007 |
} |
1008 |
Universe::_finalizer_register_cache->init( |
|
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1009 |
SystemDictionary::Finalizer_klass(), m); |
1 | 1010 |
|
21770
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1011 |
InstanceKlass::cast(SystemDictionary::misc_Unsafe_klass())->link_class(CHECK_false); |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1012 |
m = InstanceKlass::cast(SystemDictionary::misc_Unsafe_klass())->find_method( |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1013 |
vmSymbols::throwIllegalAccessError_name(), |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1014 |
vmSymbols::void_method_signature()); |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1015 |
if (m != NULL && !m->is_static()) { |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1016 |
// Note null is okay; this method is used in itables, and if it is null, |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1017 |
// then AbstractMethodError is thrown instead. |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1018 |
tty->print_cr("Unable to link/verify Unsafe.throwIllegalAccessError method"); |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1019 |
return false; // initialization failed (cannot throw exception yet) |
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1020 |
} |
28734
a7ef74a8eca2
8068162: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found
sspitsyn
parents:
28374
diff
changeset
|
1021 |
Universe::_throw_illegal_access_error_cache->init( |
a7ef74a8eca2
8068162: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found
sspitsyn
parents:
28374
diff
changeset
|
1022 |
SystemDictionary::misc_Unsafe_klass(), m); |
21770
e8932d2fda2c
8016839: JSR292: AME instead of IAE when calling a method
drchase
parents:
21562
diff
changeset
|
1023 |
|
13753
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1024 |
// Setup method for registering loaded classes in class loader vector |
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1025 |
InstanceKlass::cast(SystemDictionary::ClassLoader_klass())->link_class(CHECK_false); |
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1026 |
m = InstanceKlass::cast(SystemDictionary::ClassLoader_klass())->find_method(vmSymbols::addClass_name(), vmSymbols::class_void_signature()); |
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1027 |
if (m == NULL || m->is_static()) { |
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1028 |
tty->print_cr("Unable to link/verify ClassLoader.addClass method"); |
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1029 |
return false; // initialization failed (cannot throw exception yet) |
13753
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1030 |
} |
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1031 |
Universe::_loader_addClass_cache->init( |
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1032 |
SystemDictionary::ClassLoader_klass(), m); |
13753
1df4fd11c5b8
7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
coleenp
parents:
13739
diff
changeset
|
1033 |
|
18056 | 1034 |
// Setup method for checking protection domain |
1035 |
InstanceKlass::cast(SystemDictionary::ProtectionDomain_klass())->link_class(CHECK_false); |
|
1036 |
m = InstanceKlass::cast(SystemDictionary::ProtectionDomain_klass())-> |
|
1037 |
find_method(vmSymbols::impliesCreateAccessControlContext_name(), |
|
1038 |
vmSymbols::void_boolean_signature()); |
|
1039 |
// Allow NULL which should only happen with bootstrapping. |
|
1040 |
if (m != NULL) { |
|
1041 |
if (m->is_static()) { |
|
1042 |
// NoSuchMethodException doesn't actually work because it tries to run the |
|
1043 |
// <init> function before java_lang_Class is linked. Print error and exit. |
|
1044 |
tty->print_cr("ProtectionDomain.impliesCreateAccessControlContext() has the wrong linkage"); |
|
1045 |
return false; // initialization failed |
|
1046 |
} |
|
1047 |
Universe::_pd_implies_cache->init( |
|
28734
a7ef74a8eca2
8068162: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found
sspitsyn
parents:
28374
diff
changeset
|
1048 |
SystemDictionary::ProtectionDomain_klass(), m); |
18056 | 1049 |
} |
1050 |
||
1 | 1051 |
// This needs to be done before the first scavenge/gc, since |
1052 |
// it's an input to soft ref clearing policy. |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
1053 |
{ |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
1054 |
MutexLocker x(Heap_lock); |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
1055 |
Universe::update_heap_info_at_gc(); |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
1056 |
} |
1 | 1057 |
|
1058 |
// ("weak") refs processing infrastructure initialization |
|
1059 |
Universe::heap()->post_initialize(); |
|
1060 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1061 |
// Initialize performance counters for metaspaces |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1062 |
MetaspaceCounters::initialize_performance_counters(); |
19322
e35f9ed4f081
8014659: NPG: performance counters for compressed klass space
ehelin
parents:
19319
diff
changeset
|
1063 |
CompressedClassSpaceCounters::initialize_performance_counters(); |
e35f9ed4f081
8014659: NPG: performance counters for compressed klass space
ehelin
parents:
19319
diff
changeset
|
1064 |
|
18444
8adb4bc92f18
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
18073
diff
changeset
|
1065 |
MemoryService::add_metaspace_memory_pools(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1066 |
|
1 | 1067 |
MemoryService::set_universe_heap(Universe::_collectedHeap); |
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
1068 |
#if INCLUDE_CDS |
28363
047115468f16
8059510: Compact symbol table layout inside shared archive.
jiangli
parents:
28039
diff
changeset
|
1069 |
SharedClassUtil::initialize(CHECK_false); |
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25485
diff
changeset
|
1070 |
#endif |
1 | 1071 |
return true; |
1072 |
} |
|
1073 |
||
1074 |
||
1075 |
void Universe::compute_base_vtable_size() { |
|
1076 |
_base_vtable_size = ClassLoader::compute_Object_vtable(); |
|
1077 |
} |
|
1078 |
||
1079 |
||
10997
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1080 |
void Universe::print() { |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1081 |
print_on(gclog_or_tty); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1082 |
} |
1 | 1083 |
|
10997
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1084 |
void Universe::print_on(outputStream* st, bool extended) { |
1 | 1085 |
st->print_cr("Heap"); |
10997
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1086 |
if (!extended) { |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1087 |
heap()->print_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1088 |
} else { |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1089 |
heap()->print_extended_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1090 |
} |
1 | 1091 |
} |
1092 |
||
1093 |
void Universe::print_heap_at_SIGBREAK() { |
|
1094 |
if (PrintHeapAtSIGBREAK) { |
|
1095 |
MutexLocker hl(Heap_lock); |
|
1096 |
print_on(tty); |
|
1097 |
tty->cr(); |
|
1098 |
tty->flush(); |
|
1099 |
} |
|
1100 |
} |
|
1101 |
||
11788 | 1102 |
void Universe::print_heap_before_gc(outputStream* st, bool ignore_extended) { |
1 | 1103 |
st->print_cr("{Heap before GC invocations=%u (full %u):", |
1104 |
heap()->total_collections(), |
|
1105 |
heap()->total_full_collections()); |
|
11788 | 1106 |
if (!PrintHeapAtGCExtended || ignore_extended) { |
10997
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1107 |
heap()->print_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1108 |
} else { |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1109 |
heap()->print_extended_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1110 |
} |
1 | 1111 |
} |
1112 |
||
11788 | 1113 |
void Universe::print_heap_after_gc(outputStream* st, bool ignore_extended) { |
1 | 1114 |
st->print_cr("Heap after GC invocations=%u (full %u):", |
1115 |
heap()->total_collections(), |
|
1116 |
heap()->total_full_collections()); |
|
11788 | 1117 |
if (!PrintHeapAtGCExtended || ignore_extended) { |
10997
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1118 |
heap()->print_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1119 |
} else { |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1120 |
heap()->print_extended_on(st); |
0be4b3be7197
7099849: G1: include heap region information in hs_err files
tonyp
parents:
10746
diff
changeset
|
1121 |
} |
1 | 1122 |
st->print_cr("}"); |
1123 |
} |
|
1124 |
||
17112
e49af4ba7755
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
16672
diff
changeset
|
1125 |
void Universe::verify(VerifyOption option, const char* prefix, bool silent) { |
1 | 1126 |
// The use of _verify_in_progress is a temporary work around for |
1127 |
// 6320749. Don't bother with a creating a class to set and clear |
|
1128 |
// it since it is only used in this method and the control flow is |
|
1129 |
// straight forward. |
|
1130 |
_verify_in_progress = true; |
|
1131 |
||
1132 |
COMPILER2_PRESENT( |
|
1133 |
assert(!DerivedPointerTable::is_active(), |
|
1134 |
"DPT should not be active during verification " |
|
1135 |
"(of thread stacks below)"); |
|
1136 |
) |
|
1137 |
||
1138 |
ResourceMark rm; |
|
1139 |
HandleMark hm; // Handles created during verification can be zapped |
|
1140 |
_verify_count++; |
|
1141 |
||
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
23540
diff
changeset
|
1142 |
if (!silent) gclog_or_tty->print("%s", prefix); |
1 | 1143 |
if (!silent) gclog_or_tty->print("[Verifying "); |
1144 |
if (!silent) gclog_or_tty->print("threads "); |
|
1145 |
Threads::verify(); |
|
17112
e49af4ba7755
8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents:
16672
diff
changeset
|
1146 |
if (!silent) gclog_or_tty->print("heap "); |
12379 | 1147 |
heap()->verify(silent, option); |
1 | 1148 |
if (!silent) gclog_or_tty->print("syms "); |
1149 |
SymbolTable::verify(); |
|
1150 |
if (!silent) gclog_or_tty->print("strs "); |
|
1151 |
StringTable::verify(); |
|
1152 |
{ |
|
1153 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
1154 |
if (!silent) gclog_or_tty->print("zone "); |
|
1155 |
CodeCache::verify(); |
|
1156 |
} |
|
1157 |
if (!silent) gclog_or_tty->print("dict "); |
|
1158 |
SystemDictionary::verify(); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1159 |
#ifndef PRODUCT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1160 |
if (!silent) gclog_or_tty->print("cldg "); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1161 |
ClassLoaderDataGraph::verify(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1162 |
#endif |
14474
4154f1817a75
7200229: NPG: possible performance issue exposed by closed/runtime/6559877/Test6559877.java
mgerdin
parents:
14081
diff
changeset
|
1163 |
if (!silent) gclog_or_tty->print("metaspace chunks "); |
4154f1817a75
7200229: NPG: possible performance issue exposed by closed/runtime/6559877/Test6559877.java
mgerdin
parents:
14081
diff
changeset
|
1164 |
MetaspaceAux::verify_free_chunks(); |
1 | 1165 |
if (!silent) gclog_or_tty->print("hand "); |
1166 |
JNIHandles::verify(); |
|
1167 |
if (!silent) gclog_or_tty->print("C-heap "); |
|
1168 |
os::check_heap(); |
|
8724
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8076
diff
changeset
|
1169 |
if (!silent) gclog_or_tty->print("code cache "); |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8076
diff
changeset
|
1170 |
CodeCache::verify_oops(); |
1 | 1171 |
if (!silent) gclog_or_tty->print_cr("]"); |
1172 |
||
1173 |
_verify_in_progress = false; |
|
1174 |
} |
|
1175 |
||
1176 |
// Oop verification (see MacroAssembler::verify_oop) |
|
1177 |
||
1178 |
static uintptr_t _verify_oop_data[2] = {0, (uintptr_t)-1}; |
|
1179 |
static uintptr_t _verify_klass_data[2] = {0, (uintptr_t)-1}; |
|
1180 |
||
1181 |
||
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16453
diff
changeset
|
1182 |
#ifndef PRODUCT |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16453
diff
changeset
|
1183 |
|
1 | 1184 |
static void calculate_verify_data(uintptr_t verify_data[2], |
1185 |
HeapWord* low_boundary, |
|
1186 |
HeapWord* high_boundary) { |
|
1187 |
assert(low_boundary < high_boundary, "bad interval"); |
|
1188 |
||
1189 |
// decide which low-order bits we require to be clear: |
|
1190 |
size_t alignSize = MinObjAlignmentInBytes; |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5420
diff
changeset
|
1191 |
size_t min_object_size = CollectedHeap::min_fill_size(); |
1 | 1192 |
|
1193 |
// make an inclusive limit: |
|
1194 |
uintptr_t max = (uintptr_t)high_boundary - min_object_size*wordSize; |
|
1195 |
uintptr_t min = (uintptr_t)low_boundary; |
|
1196 |
assert(min < max, "bad interval"); |
|
1197 |
uintptr_t diff = max ^ min; |
|
1198 |
||
1199 |
// throw away enough low-order bits to make the diff vanish |
|
1200 |
uintptr_t mask = (uintptr_t)(-1); |
|
1201 |
while ((mask & diff) != 0) |
|
1202 |
mask <<= 1; |
|
1203 |
uintptr_t bits = (min & mask); |
|
1204 |
assert(bits == (max & mask), "correct mask"); |
|
1205 |
// check an intermediate value between min and max, just to make sure: |
|
1206 |
assert(bits == ((min + (max-min)/2) & mask), "correct mask"); |
|
1207 |
||
1208 |
// require address alignment, too: |
|
1209 |
mask |= (alignSize - 1); |
|
1210 |
||
1211 |
if (!(verify_data[0] == 0 && verify_data[1] == (uintptr_t)-1)) { |
|
1212 |
assert(verify_data[0] == mask && verify_data[1] == bits, "mask stability"); |
|
1213 |
} |
|
1214 |
verify_data[0] = mask; |
|
1215 |
verify_data[1] = bits; |
|
1216 |
} |
|
1217 |
||
1218 |
// Oop verification (see MacroAssembler::verify_oop) |
|
1219 |
||
1220 |
uintptr_t Universe::verify_oop_mask() { |
|
1221 |
MemRegion m = heap()->reserved_region(); |
|
1222 |
calculate_verify_data(_verify_oop_data, |
|
1223 |
m.start(), |
|
1224 |
m.end()); |
|
1225 |
return _verify_oop_data[0]; |
|
1226 |
} |
|
1227 |
||
1228 |
||
1229 |
||
1230 |
uintptr_t Universe::verify_oop_bits() { |
|
1231 |
verify_oop_mask(); |
|
1232 |
return _verify_oop_data[1]; |
|
1233 |
} |
|
1234 |
||
1235 |
uintptr_t Universe::verify_mark_mask() { |
|
1236 |
return markOopDesc::lock_mask_in_place; |
|
1237 |
} |
|
1238 |
||
1239 |
uintptr_t Universe::verify_mark_bits() { |
|
1240 |
intptr_t mask = verify_mark_mask(); |
|
1241 |
intptr_t bits = (intptr_t)markOopDesc::prototype(); |
|
1242 |
assert((bits & ~mask) == 0, "no stray header bits"); |
|
1243 |
return bits; |
|
1244 |
} |
|
1245 |
#endif // PRODUCT |
|
1246 |
||
1247 |
||
1248 |
void Universe::compute_verify_oop_data() { |
|
1249 |
verify_oop_mask(); |
|
1250 |
verify_oop_bits(); |
|
1251 |
verify_mark_mask(); |
|
1252 |
verify_mark_bits(); |
|
1253 |
} |
|
1254 |
||
1255 |
||
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1256 |
void LatestMethodCache::init(Klass* k, Method* m) { |
1 | 1257 |
if (!UseSharedSpaces) { |
1258 |
_klass = k; |
|
1259 |
} |
|
1260 |
#ifndef PRODUCT |
|
1261 |
else { |
|
1262 |
// sharing initilization should have already set up _klass |
|
1263 |
assert(_klass != NULL, "just checking"); |
|
1264 |
} |
|
1265 |
#endif |
|
1266 |
||
1267 |
_method_idnum = m->method_idnum(); |
|
1268 |
assert(_method_idnum >= 0, "sanity check"); |
|
1269 |
} |
|
1270 |
||
1271 |
||
19278
c4355bebb414
8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32
coleenp
parents:
18687
diff
changeset
|
1272 |
Method* LatestMethodCache::get_method() { |
18056 | 1273 |
if (klass() == NULL) return NULL; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1274 |
InstanceKlass* ik = InstanceKlass::cast(klass()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13195
diff
changeset
|
1275 |
Method* m = ik->method_with_idnum(method_idnum()); |
1 | 1276 |
assert(m != NULL, "sanity check"); |
1277 |
return m; |
|
1278 |
} |
|
1279 |
||
1280 |
||
1281 |
#ifdef ASSERT |
|
1282 |
// Release dummy object(s) at bottom of heap |
|
1283 |
bool Universe::release_fullgc_alot_dummy() { |
|
1284 |
MutexLocker ml(FullGCALot_lock); |
|
1285 |
if (_fullgc_alot_dummy_array != NULL) { |
|
1286 |
if (_fullgc_alot_dummy_next >= _fullgc_alot_dummy_array->length()) { |
|
1287 |
// No more dummies to release, release entire array instead |
|
1288 |
_fullgc_alot_dummy_array = NULL; |
|
1289 |
return false; |
|
1290 |
} |
|
1291 |
if (!UseConcMarkSweepGC) { |
|
1292 |
// Release dummy at bottom of old generation |
|
1293 |
_fullgc_alot_dummy_array->obj_at_put(_fullgc_alot_dummy_next++, NULL); |
|
1294 |
} |
|
1295 |
// Release dummy at bottom of permanent generation |
|
1296 |
_fullgc_alot_dummy_array->obj_at_put(_fullgc_alot_dummy_next++, NULL); |
|
1297 |
} |
|
1298 |
return true; |
|
1299 |
} |
|
1300 |
||
1301 |
#endif // ASSERT |