jdk8-mips64-public/hotspot: src/share/vm/runtime/threadLocalStorage.hpp@2d8a650513c2

     1 /*

     2  * Copyright (c) 1997, 2011, 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 /*

    26  * This file has been modified by Loongson Technology in 2015. These

    27  * modifications are Copyright (c) 2015 Loongson Technology, and are made

    28  * available on the same license terms set forth above.

    29  */

    31 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

    32 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

    34 #include "gc_implementation/shared/gcUtil.hpp"

    35 #include "runtime/os.hpp"

    36 #include "utilities/top.hpp"

    38 // Interface for thread local storage

    40 // Fast variant of ThreadLocalStorage::get_thread_slow

    41 extern "C" Thread*   get_thread();

    43 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86

    44 extern "C" uintptr_t _raw_thread_id();

    46 class ThreadLocalStorage : AllStatic {

    47  public:

    48   static void    set_thread(Thread* thread);

    49   static Thread* get_thread_slow();

    50   static void    invalidate_all() { pd_invalidate_all(); }

    52   // Machine dependent stuff

    53 #ifdef TARGET_OS_ARCH_linux_x86

    54 # include "threadLS_linux_x86.hpp"

    55 #endif

    56 #ifdef TARGET_OS_ARCH_linux_mips

    57 # include "threadLS_linux_mips.hpp"

    58 #endif

    59 #ifdef TARGET_OS_ARCH_linux_sparc

    60 # include "threadLS_linux_sparc.hpp"

    61 #endif

    62 #ifdef TARGET_OS_ARCH_linux_zero

    63 # include "threadLS_linux_zero.hpp"

    64 #endif

    65 #ifdef TARGET_OS_ARCH_solaris_x86

    66 # include "threadLS_solaris_x86.hpp"

    67 #endif

    68 #ifdef TARGET_OS_ARCH_solaris_sparc

    69 # include "threadLS_solaris_sparc.hpp"

    70 #endif

    71 #ifdef TARGET_OS_ARCH_windows_x86

    72 # include "threadLS_windows_x86.hpp"

    73 #endif

    74 #ifdef TARGET_OS_ARCH_linux_arm

    75 # include "threadLS_linux_arm.hpp"

    76 #endif

    77 #ifdef TARGET_OS_ARCH_linux_ppc

    78 # include "threadLS_linux_ppc.hpp"

    79 #endif

    80 #ifdef TARGET_OS_ARCH_aix_ppc

    81 # include "threadLS_aix_ppc.hpp"

    82 #endif

    83 #ifdef TARGET_OS_ARCH_bsd_x86

    84 # include "threadLS_bsd_x86.hpp"

    85 #endif

    86 #ifdef TARGET_OS_ARCH_bsd_zero

    87 # include "threadLS_bsd_zero.hpp"

    88 #endif

    91  public:

    92   // Accessor

    93   static inline int  thread_index()              { return _thread_index; }

    94   static inline void set_thread_index(int index) { _thread_index = index; }

    96   // Initialization

    97   // Called explicitly from VMThread::activate_system instead of init_globals.

    98   static void init();

    99   static bool is_initialized();

   101  private:

   102   static int     _thread_index;

   104   static void    generate_code_for_get_thread();

   106   // Processor dependent parts of set_thread and initialization

   107   static void pd_set_thread(Thread* thread);

   108   static void pd_init();

   109   // Invalidate any thread cacheing or optimization schemes.

   110   static void pd_invalidate_all();

   112 };

   114 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

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