src/hotspot/share/gc/serial/tenuredGeneration.inline.hpp
author stefank
Mon, 07 May 2018 14:42:08 +0200
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8202641: Replace OOP_SINCE_SAVE_MARKS with templates Reviewed-by: eosterlund, sjohanss
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/*
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 * Copyright (c) 2000, 2015, 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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 */
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#ifndef SHARE_VM_GC_SERIAL_TENUREDGENERATION_INLINE_HPP
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#define SHARE_VM_GC_SERIAL_TENUREDGENERATION_INLINE_HPP
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#include "gc/serial/tenuredGeneration.hpp"
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#include "gc/shared/space.inline.hpp"
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HeapWord* TenuredGeneration::allocate(size_t word_size,
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                                                 bool is_tlab) {
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  assert(!is_tlab, "TenuredGeneration does not support TLAB allocation");
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  return _the_space->allocate(word_size);
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}
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HeapWord* TenuredGeneration::par_allocate(size_t word_size,
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                                                     bool is_tlab) {
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  assert(!is_tlab, "TenuredGeneration does not support TLAB allocation");
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  return _the_space->par_allocate(word_size);
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}
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size_t TenuredGeneration::block_size(const HeapWord* addr) const {
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  if (addr < _the_space->top()) {
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    return oop(addr)->size();
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  } else {
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    assert(addr == _the_space->top(), "non-block head arg to block_size");
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    return _the_space->end() - _the_space->top();
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  }
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}
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bool TenuredGeneration::block_is_obj(const HeapWord* addr) const {
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  return addr < _the_space  ->top();
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}
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template <typename OopClosureType>
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void TenuredGeneration::oop_since_save_marks_iterate(OopClosureType* blk) {
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  blk->set_generation(this);
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  _the_space->oop_since_save_marks_iterate(blk);
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  blk->reset_generation();
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  save_marks();
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}
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#endif // SHARE_VM_GC_SERIAL_TENUREDGENERATION_INLINE_HPP