8156500: Move Reference pending list into VM to prevent deadlocks
Summary: Move reference pending list and locking into VM
Reviewed-by: coleenp, dholmes, dcubed, mchung, plevart
Contributed-by: kim.barrett@oracle.com, per.liden@oracle.com
/*
* Copyright (c) 2016, 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.
*
*/
#ifndef SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP
#define SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP
#include "gc/g1/g1SATBCardTableModRefBS.hpp"
#include "oops/oop.inline.hpp"
// We export this to make it available in cases where the static
// type of the barrier set is known. Note that it is non-virtual.
template <class T> void G1SATBCardTableModRefBS::inline_write_ref_field_pre(T* field, oop newVal) {
T heap_oop = oopDesc::load_heap_oop(field);
if (!oopDesc::is_null(heap_oop)) {
enqueue(oopDesc::decode_heap_oop(heap_oop));
}
}
// These are the more general virtual versions.
void G1SATBCardTableModRefBS::write_ref_field_pre_work(oop* field, oop new_val) {
inline_write_ref_field_pre(field, new_val);
}
void G1SATBCardTableModRefBS::write_ref_field_pre_work(narrowOop* field, oop new_val) {
inline_write_ref_field_pre(field, new_val);
}
void G1SATBCardTableModRefBS::set_card_claimed(size_t card_index) {
jbyte val = _byte_map[card_index];
if (val == clean_card_val()) {
val = (jbyte)claimed_card_val();
} else {
val |= (jbyte)claimed_card_val();
}
_byte_map[card_index] = val;
}
#endif // SHARE_VM_GC_G1_G1SATBCARDTABLEMODREFBS_INLINE_HPP