jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/heapRegion.inline.hpp@4f93f0d00802

7059019: G1: add G1 support to the SA
Summary: Extend the SA to recognize the G1CollectedHeap and implement any code that's needed by our serviceability tools (jmap, jinfo, jstack, etc.) that depend on the SA.
Reviewed-by: never, poonam, johnc

     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  */

    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_INLINE_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_INLINE_HPP

    28 inline HeapWord* G1OffsetTableContigSpace::allocate(size_t size) {

    29   HeapWord* res = ContiguousSpace::allocate(size);

    30   if (res != NULL) {

    31     _offsets.alloc_block(res, size);

    32   }

    33   return res;

    34 }

    36 // Because of the requirement of keeping "_offsets" up to date with the

    37 // allocations, we sequentialize these with a lock.  Therefore, best if

    38 // this is used for larger LAB allocations only.

    39 inline HeapWord* G1OffsetTableContigSpace::par_allocate(size_t size) {

    40   MutexLocker x(&_par_alloc_lock);

    41   // Given that we take the lock no need to use par_allocate() here.

    42   HeapWord* res = ContiguousSpace::allocate(size);

    43   if (res != NULL) {

    44     _offsets.alloc_block(res, size);

    45   }

    46   return res;

    47 }

    49 inline HeapWord* G1OffsetTableContigSpace::block_start(const void* p) {

    50   return _offsets.block_start(p);

    51 }

    53 inline HeapWord*

    54 G1OffsetTableContigSpace::block_start_const(const void* p) const {

    55   return _offsets.block_start_const(p);

    56 }

    58 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_INLINE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/g1/heapRegion.inline.hpp@4f93f0d00802

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