Mercurial > hg > truffle
view src/share/vm/oops/methodDataKlass.cpp @ 4877:c03e06373b47
Merge
author | stefank |
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date | Sat, 28 Jan 2012 01:15:34 -0800 |
parents | e5383553fd4e |
children | f7251c729b31 |
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/* * Copyright (c) 2000, 2011, 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 "gc_implementation/shared/markSweep.inline.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "memory/gcLocker.hpp" #include "memory/resourceArea.hpp" #include "memory/universe.inline.hpp" #include "oops/klassOop.hpp" #include "oops/methodDataKlass.hpp" #include "oops/methodDataOop.hpp" #include "oops/oop.inline.hpp" #include "oops/oop.inline2.hpp" #include "runtime/handles.inline.hpp" #ifndef SERIALGC #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" #include "oops/oop.pcgc.inline.hpp" #endif klassOop methodDataKlass::create_klass(TRAPS) { methodDataKlass o; KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); // Make sure size calculation is right assert(k()->size() == align_object_size(header_size()), "wrong size for object"); return k(); } int methodDataKlass::oop_size(oop obj) const { assert(obj->is_methodData(), "must be method data oop"); return methodDataOop(obj)->object_size(); } bool methodDataKlass::oop_is_parsable(oop obj) const { assert(obj->is_methodData(), "must be method data oop"); return methodDataOop(obj)->object_is_parsable(); } methodDataOop methodDataKlass::allocate(methodHandle method, TRAPS) { int size = methodDataOopDesc::compute_allocation_size_in_words(method); KlassHandle h_k(THREAD, as_klassOop()); methodDataOop mdo = (methodDataOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); assert(!mdo->is_parsable(), "not expecting parsability yet."); No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC mdo->initialize(method); assert(mdo->is_parsable(), "should be parsable here."); assert(size == mdo->object_size(), "wrong size for methodDataOop"); return mdo; } void methodDataKlass::oop_follow_contents(oop obj) { assert (obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); obj->follow_header(); MarkSweep::mark_and_push(m->adr_method()); ResourceMark rm; for (ProfileData* data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->follow_contents(); } } #ifndef SERIALGC void methodDataKlass::oop_follow_contents(ParCompactionManager* cm, oop obj) { assert (obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); obj->follow_header(cm); PSParallelCompact::mark_and_push(cm, m->adr_method()); ResourceMark rm; for (ProfileData* data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->follow_contents(cm); } } #endif // SERIALGC int methodDataKlass::oop_oop_iterate(oop obj, OopClosure* blk) { assert (obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); // Get size before changing pointers // Don't call size() or oop_size() since that is a virtual call. int size = m->object_size(); obj->oop_iterate_header(blk); blk->do_oop(m->adr_method()); ResourceMark rm; for (ProfileData* data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->oop_iterate(blk); } return size; } int methodDataKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { assert (obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); // Get size before changing pointers // Don't call size() or oop_size() since that is a virtual call. int size = m->object_size(); obj->oop_iterate_header(blk, mr); oop* adr = m->adr_method(); if (mr.contains(adr)) { blk->do_oop(m->adr_method()); } ResourceMark rm; for (ProfileData* data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->oop_iterate_m(blk, mr); } return size; } int methodDataKlass::oop_adjust_pointers(oop obj) { assert(obj->is_methodData(), "should be method data"); methodDataOop m = methodDataOop(obj); // Get size before changing pointers // Don't call size() or oop_size() since that is a virtual call. int size = m->object_size(); obj->adjust_header(); MarkSweep::adjust_pointer(m->adr_method()); ResourceMark rm; ProfileData* data; for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->adjust_pointers(); } return size; } #ifndef SERIALGC void methodDataKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { assert (obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); // This should never point into the young gen. assert(!PSScavenge::should_scavenge(m->adr_method()), "Sanity"); } int methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { assert(obj->is_methodData(), "should be method data"); methodDataOop m = methodDataOop(obj); PSParallelCompact::adjust_pointer(m->adr_method()); ResourceMark rm; ProfileData* data; for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { data->update_pointers(); } return m->object_size(); } #endif // SERIALGC #ifndef PRODUCT // Printing void methodDataKlass::oop_print_on(oop obj, outputStream* st) { assert(obj->is_methodData(), "should be method data"); methodDataOop m = methodDataOop(obj); st->print("method data for "); m->method()->print_value_on(st); st->cr(); m->print_data_on(st); } #endif //PRODUCT void methodDataKlass::oop_print_value_on(oop obj, outputStream* st) { assert(obj->is_methodData(), "should be method data"); methodDataOop m = methodDataOop(obj); st->print("method data for "); m->method()->print_value_on(st); } const char* methodDataKlass::internal_name() const { return "{method data}"; } // Verification void methodDataKlass::oop_verify_on(oop obj, outputStream* st) { Klass::oop_verify_on(obj, st); guarantee(obj->is_methodData(), "object must be method data"); methodDataOop m = methodDataOop(obj); guarantee(m->is_perm(), "should be in permspace"); m->verify_data_on(st); }