jdk8-mips64-public/hotspot: src/share/vm/runtime/extendedPC.hpp@cea947c8a988

6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
Summary: When using compressed oops, rather than chaining the overflowed grey objects' pre-images through their klass words, we use GC-worker thread-local overflow stacks.
Reviewed-by: jcoomes, jmasa

     1 /*

     2  * Copyright 1998-2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 // An ExtendedPC contains the _pc from a signal handler in a platform

    26 // independent way.

    28 class ExtendedPC VALUE_OBJ_CLASS_SPEC {

    29  private:

    30   address _pc;

    32  public:

    33   address pc() const { return _pc; }

    34   ExtendedPC(address pc) { _pc  = pc;   }

    35   ExtendedPC()           { _pc  = NULL; }

    36 };

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

src/share/vm/runtime/extendedPC.hpp@cea947c8a988

src/share/vm/runtime/extendedPC.hpp