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Datei: zBarrierSetRuntime.cpp Sprache: C

/*
* Copyright (c) 2018, 2021, 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/z/zBarrier.inline.hpp"
#include "gc/z/zBarrierSetRuntime.hpp"
#include "oops/access.hpp"
#include "runtime/interfaceSupport.inline.hpp"

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::load_barrier_on_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::weak_load_barrier_on_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::weak_load_barrier_on_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::weak_load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::weak_load_barrier_on_weak_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::weak_load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::weak_load_barrier_on_phantom_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::load_barrier_on_weak_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(oopDesc*, ZBarrierSetRuntime::load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p))
  return ZBarrier::load_barrier_on_phantom_oop_field_preloaded(p, o);
JRT_END

JRT_LEAF(void, ZBarrierSetRuntime::load_barrier_on_oop_array(oop* p, size_t length))
  ZBarrier::load_barrier_on_oop_array(p, length);
JRT_END

JRT_LEAF(void, ZBarrierSetRuntime::clone(oopDesc* src, oopDesc* dst, size_t size))
  HeapAccess<>::clone(src, dst, size);
JRT_END

address ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(DecoratorSet decorators) {
  if (decorators & ON_PHANTOM_OOP_REF) {
    if (decorators & AS_NO_KEEPALIVE) {
      return weak_load_barrier_on_phantom_oop_field_preloaded_addr();
    } else {
      return load_barrier_on_phantom_oop_field_preloaded_addr();
    }
  } else if (decorators & ON_WEAK_OOP_REF) {
    if (decorators & AS_NO_KEEPALIVE) {
      return weak_load_barrier_on_weak_oop_field_preloaded_addr();
    } else {
      return load_barrier_on_weak_oop_field_preloaded_addr();
    }
  } else {
    if (decorators & AS_NO_KEEPALIVE) {
      return weak_load_barrier_on_oop_field_preloaded_addr();
    } else {
      return load_barrier_on_oop_field_preloaded_addr();
    }
  }
}

address ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(load_barrier_on_oop_field_preloaded);
}

address ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(load_barrier_on_weak_oop_field_preloaded);
}

address ZBarrierSetRuntime::load_barrier_on_phantom_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(load_barrier_on_phantom_oop_field_preloaded);
}

address ZBarrierSetRuntime::weak_load_barrier_on_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(weak_load_barrier_on_oop_field_preloaded);
}

address ZBarrierSetRuntime::weak_load_barrier_on_weak_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(weak_load_barrier_on_weak_oop_field_preloaded);
}

address ZBarrierSetRuntime::weak_load_barrier_on_phantom_oop_field_preloaded_addr() {
  return reinterpret_cast<address>(weak_load_barrier_on_phantom_oop_field_preloaded);
}

address ZBarrierSetRuntime::load_barrier_on_oop_array_addr() {
  return reinterpret_cast<address>(load_barrier_on_oop_array);
}

address ZBarrierSetRuntime::clone_addr() {
  return reinterpret_cast<address>(clone);
}

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