| /* |
| * Copyright 2000-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| # include "incls/_precompiled.incl" |
| # include "incls/_methodDataKlass.cpp.incl" |
| |
| 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_copy_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(oop(*m->adr_method())), "Sanity"); |
| } |
| |
| 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(oop(*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(); |
| } |
| |
| int |
| methodDataKlass::oop_update_pointers(ParCompactionManager* cm, oop obj, |
| HeapWord* beg_addr, HeapWord* end_addr) { |
| assert(obj->is_methodData(), "should be method data"); |
| |
| oop* p; |
| methodDataOop m = methodDataOop(obj); |
| |
| p = m->adr_method(); |
| PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); |
| |
| ResourceMark rm; |
| ProfileData* data; |
| for (data = m->first_data(); m->is_valid(data); data = m->next_data(data)) { |
| data->update_pointers(beg_addr, end_addr); |
| } |
| 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); |
| } |
| |
| 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); |
| } |
| |
| #endif // !PRODUCT |
| |
| 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); |
| } |