jdk8-mips64-public/hotspot: src/share/vm/runtime/vm

6931180: Migration to recent versions of MS Platform SDK
6951582: Build problems on win64
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed

     1 /*

     2  * Copyright 1997-2008 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 // VM_Version provides information about the VM.

    27 class Abstract_VM_Version: AllStatic {

    28  protected:

    29   friend class VMStructs;

    30   static const char*  _s_vm_release;

    31   static const char*  _s_internal_vm_info_string;

    32   // These are set by machine-dependent initializations

    33   static bool         _supports_cx8;

    34   static unsigned int _logical_processors_per_package;

    35   static int          _vm_major_version;

    36   static int          _vm_minor_version;

    37   static int          _vm_build_number;

    38   static bool         _initialized;

    39   static int          _parallel_worker_threads;

    40   static bool         _parallel_worker_threads_initialized;

    42   static unsigned int nof_parallel_worker_threads(unsigned int num,

    43                                                   unsigned int dem,

    44                                                   unsigned int switch_pt);

    45  public:

    46   static void initialize();

    48   // Name

    49   static const char* vm_name();

    50   // Vendor

    51   static const char* vm_vendor();

    52   // VM version information string printed by launcher (java -version)

    53   static const char* vm_info_string();

    54   static const char* vm_release();

    55   static const char* vm_platform_string();

    57   static int vm_major_version()               { assert(_initialized, "not initialized"); return _vm_major_version; }

    58   static int vm_minor_version()               { assert(_initialized, "not initialized"); return _vm_minor_version; }

    59   static int vm_build_number()                { assert(_initialized, "not initialized"); return _vm_build_number; }

    61   // Gets the jvm_version_info.jvm_version defined in jvm.h

    62   static unsigned int jvm_version();

    64   // Internal version providing additional build information

    65   static const char* internal_vm_info_string();

    67   // does HW support an 8-byte compare-exchange operation?

    68   static bool supports_cx8()  {return _supports_cx8;}

    69   static unsigned int logical_processors_per_package() {

    70     return _logical_processors_per_package;

    71   }

    73   // Number of page sizes efficiently supported by the hardware.  Most chips now

    74   // support two sizes, thus this default implementation.  Processor-specific

    75   // subclasses should define new versions to hide this one as needed.  Note

    76   // that the O/S may support more sizes, but at most this many are used.

    77   static uint page_size_count() { return 2; }

    79   // Returns the number of parallel threads to be used for VM

    80   // work.  If that number has not been calculated, do so and

    81   // save it.  Returns ParallelGCThreads if it is set on the

    82   // command line.

    83   static unsigned int parallel_worker_threads();

    84   // Calculates and returns the number of parallel threads.  May

    85   // be VM version specific.

    86   static unsigned int calc_parallel_worker_threads();

    87 };

src/share/vm/runtime/vm_version.hpp@fb57d4cf76c2

src/share/vm/runtime/vm_version.hpp

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

src/share/vm/runtime/vm_version.hpp@fb57d4cf76c2

src/share/vm/runtime/vm_version.hpp