1 /*

     2  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_MEMORY_GENERATION_INLINE_HPP

    26 #define SHARE_VM_MEMORY_GENERATION_INLINE_HPP

    27 

    28 #include "memory/genCollectedHeap.hpp"

    29 #include "memory/generation.hpp"

    30 #include "memory/space.hpp"

    31 

    32 bool OneContigSpaceCardGeneration::is_in(const void* p) const {

    33   return the_space()->is_in(p);

    34 }

    35 

    36 

    37 WaterMark OneContigSpaceCardGeneration::top_mark() {

    38   return the_space()->top_mark();

    39 }

    40 

    41 CompactibleSpace*

    42 OneContigSpaceCardGeneration::first_compaction_space() const {

    43   return the_space();

    44 }

    45 

    46 HeapWord* OneContigSpaceCardGeneration::allocate(size_t word_size,

    47                                                  bool is_tlab) {

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

    49   return the_space()->allocate(word_size);

    50 }

    51 

    52 HeapWord* OneContigSpaceCardGeneration::par_allocate(size_t word_size,

    53                                                      bool is_tlab) {

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

    55   return the_space()->par_allocate(word_size);

    56 }

    57 

    58 WaterMark OneContigSpaceCardGeneration::bottom_mark() {

    59   return the_space()->bottom_mark();

    60 }

    61 

    62 size_t OneContigSpaceCardGeneration::block_size(const HeapWord* addr) const {

    63   if (addr < the_space()->top()) return oop(addr)->size();

    64   else {

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

    66     return the_space()->_end - the_space()->top();

    67   }

    68 }

    69 

    70 bool OneContigSpaceCardGeneration::block_is_obj(const HeapWord* addr) const {

    71   return addr < the_space()->top();

    72 }

    73 

    74 #endif // SHARE_VM_MEMORY_GENERATION_INLINE_HPP