jdk8-mips64-public/hotspot: src/share/vm/runtime/threadLocalStorage.hpp@91ddc23482a4

     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 {

    48  // Exported API

    49  public:

    50   static void    set_thread(Thread* thread);

    51   static Thread* get_thread_slow();

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

    53   static void    init();

    54   static bool    is_initialized();

    56   // Machine dependent stuff

    57 #ifdef TARGET_OS_ARCH_linux_x86

    58 # include "threadLS_linux_x86.hpp"

    59 #endif

    60 #ifdef TARGET_OS_ARCH_linux_mips

    61 # include "threadLS_linux_mips.hpp"

    62 #endif

    63 #ifdef TARGET_OS_ARCH_linux_sparc

    64 # include "threadLS_linux_sparc.hpp"

    65 #endif

    66 #ifdef TARGET_OS_ARCH_linux_zero

    67 # include "threadLS_linux_zero.hpp"

    68 #endif

    69 #ifdef TARGET_OS_ARCH_solaris_x86

    70 # include "threadLS_solaris_x86.hpp"

    71 #endif

    72 #ifdef TARGET_OS_ARCH_solaris_sparc

    73 # include "threadLS_solaris_sparc.hpp"

    74 #endif

    75 #ifdef TARGET_OS_ARCH_windows_x86

    76 # include "threadLS_windows_x86.hpp"

    77 #endif

    78 #ifdef TARGET_OS_ARCH_linux_arm

    79 # include "threadLS_linux_arm.hpp"

    80 #endif

    81 #ifdef TARGET_OS_ARCH_linux_ppc

    82 # include "threadLS_linux_ppc.hpp"

    83 #endif

    84 #ifdef TARGET_OS_ARCH_aix_ppc

    85 # include "threadLS_aix_ppc.hpp"

    86 #endif

    87 #ifdef TARGET_OS_ARCH_bsd_x86

    88 # include "threadLS_bsd_x86.hpp"

    89 #endif

    90 #ifdef TARGET_OS_ARCH_bsd_zero

    91 # include "threadLS_bsd_zero.hpp"

    92 #endif

    94 #ifndef SOLARIS

    95  public:

    96   // Accessor

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

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

   100  private:

   101   static int     _thread_index;

   103   static void    generate_code_for_get_thread();

   105   // Processor dependent parts of set_thread and initialization

   106   static void pd_set_thread(Thread* thread);

   107   static void pd_init();

   109 #endif // SOLARIS

   111   // Invalidate any thread cacheing or optimization schemes.

   112   static void pd_invalidate_all();

   114 };

   116 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

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