/*

 * 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

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 */

#include "gc/serial/tenuredGeneration.hpp"

#include "gc/shared/space.inline.hpp"

HeapWord* TenuredGeneration::allocate(size_t word_size,

                                                 bool is_tlab) {

  assert(!is_tlab, "TenuredGeneration does not support TLAB allocation");

  return _the_space->allocate(word_size);

}

HeapWord* TenuredGeneration::par_allocate(size_t word_size,

                                                     bool is_tlab) {

  assert(!is_tlab, "TenuredGeneration does not support TLAB allocation");

  return _the_space->par_allocate(word_size);

}

size_t TenuredGeneration::block_size(const HeapWord* addr) const {

  if (addr < _the_space->top()) {

    return oop(addr)->size();

  } else {

    assert(addr == _the_space->top(), "non-block head arg to block_size");

    return _the_space->end() - _the_space->top();

  }

}

bool TenuredGeneration::block_is_obj(const HeapWord* addr) const {

  return addr < _the_space  ->top();

}

template <typename OopClosureType>

void TenuredGeneration::oop_since_save_marks_iterate(OopClosureType* blk) {

  blk->set_generation(this);

  _the_space->oop_since_save_marks_iterate(blk);

  blk->reset_generation();

  save_marks();

}