| /* |
| * Copyright (c) 2018, Red Hat, Inc. All rights reserved. |
| * |
| * 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/shenandoah/shenandoahBarrierSet.inline.hpp" |
| #include "gc/shenandoah/shenandoahBarrierSetClone.inline.hpp" |
| #include "gc/shenandoah/shenandoahRuntime.hpp" |
| #include "gc/shenandoah/shenandoahThreadLocalData.hpp" |
| #include "runtime/interfaceSupport.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "utilities/copy.hpp" |
| |
| void ShenandoahRuntime::arraycopy_barrier_oop_entry(oop* src, oop* dst, size_t length) { |
| ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set(); |
| bs->arraycopy_barrier(src, dst, length); |
| } |
| |
| void ShenandoahRuntime::arraycopy_barrier_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length) { |
| ShenandoahBarrierSet *bs = ShenandoahBarrierSet::barrier_set(); |
| bs->arraycopy_barrier(src, dst, length); |
| } |
| |
| // Shenandoah pre write barrier slowpath |
| JRT_LEAF(void, ShenandoahRuntime::write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread)) |
| assert(orig != NULL, "should be optimized out"); |
| shenandoah_assert_correct(NULL, orig); |
| // store the original value that was in the field reference |
| assert(ShenandoahThreadLocalData::satb_mark_queue(thread).is_active(), "Shouldn't be here otherwise"); |
| ShenandoahThreadLocalData::satb_mark_queue(thread).enqueue_known_active(orig); |
| JRT_END |
| |
| JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier(oopDesc* src, oop* load_addr)) |
| return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src, load_addr); |
| JRT_END |
| |
| JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_narrow(oopDesc* src, narrowOop* load_addr)) |
| return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src, load_addr); |
| JRT_END |
| |
| // Shenandoah clone barrier: makes sure that references point to to-space |
| // in cloned objects. |
| JRT_LEAF(void, ShenandoahRuntime::shenandoah_clone_barrier(oopDesc* src)) |
| oop s = oop(src); |
| shenandoah_assert_correct(NULL, s); |
| ShenandoahBarrierSet::barrier_set()->clone_barrier(s); |
| JRT_END |