src/share/vm/runtime/threadLocalStorage.hpp

Wed, 31 Jan 2018 19:24:57 -0500

author
dbuck
date
Wed, 31 Jan 2018 19:24:57 -0500
changeset 9289
427b2fb1944f
parent 8187
3ad3f93fe3d2
child 8604
04d83ba48607
permissions
-rw-r--r--

8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed

     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 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
    26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
    28 #include "gc_implementation/shared/gcUtil.hpp"
    29 #include "runtime/os.hpp"
    30 #include "utilities/top.hpp"
    32 // Interface for thread local storage
    34 // Fast variant of ThreadLocalStorage::get_thread_slow
    35 extern "C" Thread*   get_thread();
    37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
    38 extern "C" uintptr_t _raw_thread_id();
    40 class ThreadLocalStorage : AllStatic {
    42  // Exported API
    43  public:
    44   static void    set_thread(Thread* thread);
    45   static Thread* get_thread_slow();
    46   static void    invalidate_all() { pd_invalidate_all(); }
    47   static void    init();
    48   static bool    is_initialized();
    50   // Machine dependent stuff
    51 #ifdef TARGET_OS_ARCH_linux_x86
    52 # include "threadLS_linux_x86.hpp"
    53 #endif
    54 #ifdef TARGET_OS_ARCH_linux_sparc
    55 # include "threadLS_linux_sparc.hpp"
    56 #endif
    57 #ifdef TARGET_OS_ARCH_linux_zero
    58 # include "threadLS_linux_zero.hpp"
    59 #endif
    60 #ifdef TARGET_OS_ARCH_solaris_x86
    61 # include "threadLS_solaris_x86.hpp"
    62 #endif
    63 #ifdef TARGET_OS_ARCH_solaris_sparc
    64 # include "threadLS_solaris_sparc.hpp"
    65 #endif
    66 #ifdef TARGET_OS_ARCH_windows_x86
    67 # include "threadLS_windows_x86.hpp"
    68 #endif
    69 #ifdef TARGET_OS_ARCH_linux_arm
    70 # include "threadLS_linux_arm.hpp"
    71 #endif
    72 #ifdef TARGET_OS_ARCH_linux_ppc
    73 # include "threadLS_linux_ppc.hpp"
    74 #endif
    75 #ifdef TARGET_OS_ARCH_aix_ppc
    76 # include "threadLS_aix_ppc.hpp"
    77 #endif
    78 #ifdef TARGET_OS_ARCH_bsd_x86
    79 # include "threadLS_bsd_x86.hpp"
    80 #endif
    81 #ifdef TARGET_OS_ARCH_bsd_zero
    82 # include "threadLS_bsd_zero.hpp"
    83 #endif
    85 #ifndef SOLARIS
    86  public:
    87   // Accessor
    88   static inline int  thread_index()              { return _thread_index; }
    89   static inline void set_thread_index(int index) { _thread_index = index; }
    91  private:
    92   static int     _thread_index;
    94   static void    generate_code_for_get_thread();
    96   // Processor dependent parts of set_thread and initialization
    97   static void pd_set_thread(Thread* thread);
    98   static void pd_init();
   100 #endif // SOLARIS
   102   // Invalidate any thread cacheing or optimization schemes.
   103   static void pd_invalidate_all();
   105 };
   107 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

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