src/share/vm/gc_implementation/g1/g1BlockOffsetTable.inline.hpp

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   1 /*
   2  * Copyright (c) 2001, 2007, 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 inline HeapWord* G1BlockOffsetTable::block_start(const void* addr) {
  26   if (addr >= _bottom && addr < _end) {
  27     return block_start_unsafe(addr);
  28   } else {
  29     return NULL;
  30   }
  31 }
  32 
  33 inline HeapWord*
  34 G1BlockOffsetTable::block_start_const(const void* addr) const {
  35   if (addr >= _bottom && addr < _end) {
  36     return block_start_unsafe_const(addr);
  37   } else {
  38     return NULL;
  39   }
  40 }
  41 
  42 inline size_t G1BlockOffsetSharedArray::index_for(const void* p) const {
  43   char* pc = (char*)p;
  44   assert(pc >= (char*)_reserved.start() &&


 134 inline void G1BlockOffsetArray::freed(HeapWord* blk_start, HeapWord* blk_end) {
 135   // Verify that the BOT shows [blk_start, blk_end) to be one block.
 136   verify_single_block(blk_start, blk_end);
 137   // adjust _unallocated_block upward or downward
 138   // as appropriate
 139   if (BlockOffsetArrayUseUnallocatedBlock) {
 140     assert(_unallocated_block <= _end,
 141            "Inconsistent value for _unallocated_block");
 142     if (blk_end >= _unallocated_block && blk_start <= _unallocated_block) {
 143       // CMS-specific note: a block abutting _unallocated_block to
 144       // its left is being freed, a new block is being added or
 145       // we are resetting following a compaction
 146       _unallocated_block = blk_start;
 147     }
 148   }
 149 }
 150 
 151 inline void G1BlockOffsetArray::freed(HeapWord* blk, size_t size) {
 152   freed(blk, blk + size);
 153 }


   1 /*
   2  * Copyright (c) 2001, 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_GC_IMPLEMENTATION_G1_G1BLOCKOFFSETTABLE_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1BLOCKOFFSETTABLE_INLINE_HPP
  27 
  28 #include "gc_implementation/g1/g1BlockOffsetTable.hpp"
  29 #include "memory/space.hpp"
  30 
  31 inline HeapWord* G1BlockOffsetTable::block_start(const void* addr) {
  32   if (addr >= _bottom && addr < _end) {
  33     return block_start_unsafe(addr);
  34   } else {
  35     return NULL;
  36   }
  37 }
  38 
  39 inline HeapWord*
  40 G1BlockOffsetTable::block_start_const(const void* addr) const {
  41   if (addr >= _bottom && addr < _end) {
  42     return block_start_unsafe_const(addr);
  43   } else {
  44     return NULL;
  45   }
  46 }
  47 
  48 inline size_t G1BlockOffsetSharedArray::index_for(const void* p) const {
  49   char* pc = (char*)p;
  50   assert(pc >= (char*)_reserved.start() &&


 140 inline void G1BlockOffsetArray::freed(HeapWord* blk_start, HeapWord* blk_end) {
 141   // Verify that the BOT shows [blk_start, blk_end) to be one block.
 142   verify_single_block(blk_start, blk_end);
 143   // adjust _unallocated_block upward or downward
 144   // as appropriate
 145   if (BlockOffsetArrayUseUnallocatedBlock) {
 146     assert(_unallocated_block <= _end,
 147            "Inconsistent value for _unallocated_block");
 148     if (blk_end >= _unallocated_block && blk_start <= _unallocated_block) {
 149       // CMS-specific note: a block abutting _unallocated_block to
 150       // its left is being freed, a new block is being added or
 151       // we are resetting following a compaction
 152       _unallocated_block = blk_start;
 153     }
 154   }
 155 }
 156 
 157 inline void G1BlockOffsetArray::freed(HeapWord* blk, size_t size) {
 158   freed(blk, blk + size);
 159 }
 160 
 161 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1BLOCKOFFSETTABLE_INLINE_HPP