src/hotspot/share/gc/z/zBarrierSetRuntime.cpp
author eosterlund
Tue, 12 Nov 2019 20:01:23 +0000
changeset 59038 b9a42ca342db
parent 58958 7bfe7df764a2
child 59324 5e8f9713e343
permissions -rw-r--r--
8233061: ZGC: Enforce memory ordering in segmented bit maps Reviewed-by: pliden, stefank
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/*
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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#include "precompiled.hpp"
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#include "gc/z/zBarrier.inline.hpp"
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#include "gc/z/zBarrierSetRuntime.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded(oopDesc* o, oop* p))
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  return ZBarrier::load_barrier_on_oop_field_preloaded(p, o);
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JRT_END
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JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p))
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  return ZBarrier::load_barrier_on_weak_oop_field_preloaded(p, o);
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JRT_END
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JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p))
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  return ZBarrier::load_barrier_on_phantom_oop_field_preloaded(p, o);
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JRT_END
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JRT_LEAF(void, ZBarrierSetRuntime::load_barrier_on_oop_array(oop* p, size_t length))
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  ZBarrier::load_barrier_on_oop_array(p, length);
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JRT_END
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JRT_LEAF(void, ZBarrierSetRuntime::clone(oop src, oop dst, size_t size))
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  HeapAccess<>::clone(src, dst, size);
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JRT_END
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address ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(DecoratorSet decorators) {
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  if (decorators & ON_PHANTOM_OOP_REF) {
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    return load_barrier_on_phantom_oop_field_preloaded_addr();
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  } else if (decorators & ON_WEAK_OOP_REF) {
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    return load_barrier_on_weak_oop_field_preloaded_addr();
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  } else {
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    return load_barrier_on_oop_field_preloaded_addr();
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  }
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}
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address ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr() {
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  return reinterpret_cast<address>(load_barrier_on_oop_field_preloaded);
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}
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address ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded_addr() {
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  return reinterpret_cast<address>(load_barrier_on_weak_oop_field_preloaded);
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}
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address ZBarrierSetRuntime::load_barrier_on_phantom_oop_field_preloaded_addr() {
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  return reinterpret_cast<address>(load_barrier_on_phantom_oop_field_preloaded);
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}
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address ZBarrierSetRuntime::load_barrier_on_oop_array_addr() {
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  return reinterpret_cast<address>(load_barrier_on_oop_array);
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}
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address ZBarrierSetRuntime::clone_addr() {
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  return reinterpret_cast<address>(clone);
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}