Mercurial > hg > graal-compiler
view src/share/vm/oops/instanceClassLoaderKlass.cpp @ 20257:7426d8d76305
8034761: Remove the do_code_roots parameter from process_strong_roots
Reviewed-by: tschatzl, mgerdin, jmasa
author | stefank |
---|---|
date | Thu, 13 Feb 2014 17:44:39 +0100 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 4c1b88a53c74 |
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/* * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "classfile/javaClasses.hpp" #include "classfile/systemDictionary.hpp" #include "gc_implementation/shared/markSweep.inline.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/genOopClosures.inline.hpp" #include "memory/oopFactory.hpp" #include "oops/instanceKlass.hpp" #include "oops/instanceClassLoaderKlass.hpp" #include "oops/instanceMirrorKlass.hpp" #include "oops/instanceOop.hpp" #include "oops/oop.inline.hpp" #include "oops/symbol.hpp" #include "runtime/handles.inline.hpp" #include "utilities/macros.hpp" #if INCLUDE_ALL_GCS #include "gc_implementation/parNew/parOopClosures.inline.hpp" #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" #include "oops/oop.pcgc.inline.hpp" #endif // INCLUDE_ALL_GCS #define if_do_metadata_checked(closure, nv_suffix) \ /* Make sure the non-virtual and the virtual versions match. */ \ assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \ "Inconsistency in do_metadata"); \ if (closure->do_metadata##nv_suffix()) // Macro to define InstanceClassLoaderKlass::oop_oop_iterate for virtual/nonvirtual for // all closures. Macros calling macros above for each oop size. // Since ClassLoader objects have only a pointer to the loader_data, they are not // compressed nor does the pointer move. #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)\ \ int InstanceClassLoaderKlass:: \ oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \ /* Get size before changing pointers */ \ SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\ int size = InstanceKlass::oop_oop_iterate##nv_suffix(obj, closure); \ \ if_do_metadata_checked(closure, nv_suffix) { \ ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj); \ /* cld can be null if we have a non-registered class loader. */ \ if (cld != NULL) { \ closure->do_class_loader_data(cld); \ } \ } \ \ return size; \ } #if INCLUDE_ALL_GCS #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \ \ int InstanceClassLoaderKlass:: \ oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \ /* Get size before changing pointers */ \ SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\ int size = InstanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure); \ return size; \ } #endif // INCLUDE_ALL_GCS #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \ \ int InstanceClassLoaderKlass:: \ oop_oop_iterate##nv_suffix##_m(oop obj, \ OopClosureType* closure, \ MemRegion mr) { \ SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\ \ int size = InstanceKlass::oop_oop_iterate##nv_suffix##_m(obj, closure, mr); \ \ if_do_metadata_checked(closure, nv_suffix) { \ if (mr.contains(obj)) { \ ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj); \ /* cld can be null if we have a non-registered class loader. */ \ if (cld != NULL) { \ closure->do_class_loader_data(cld); \ } \ } \ } \ \ return size; \ } ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN) ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN) #if INCLUDE_ALL_GCS ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN) ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN) #endif // INCLUDE_ALL_GCS ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m) ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m) void InstanceClassLoaderKlass::oop_follow_contents(oop obj) { InstanceKlass::oop_follow_contents(obj); ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj); // We must NULL check here, since the class loader // can be found before the loader data has been set up. if(loader_data != NULL) { MarkSweep::follow_class_loader(loader_data); } } #if INCLUDE_ALL_GCS void InstanceClassLoaderKlass::oop_follow_contents(ParCompactionManager* cm, oop obj) { InstanceKlass::oop_follow_contents(cm, obj); ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj); if (loader_data != NULL) { PSParallelCompact::follow_class_loader(cm, loader_data); } } void InstanceClassLoaderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { InstanceKlass::oop_push_contents(pm, obj); // This is called by the young collector. It will already have taken care of // all class loader data. So, we don't have to follow the class loader -> // class loader data link. } int InstanceClassLoaderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { InstanceKlass::oop_update_pointers(cm, obj); return size_helper(); } #endif // INCLUDE_ALL_GCS