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  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
  26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
  27 
  28 #include "gc_implementation/shared/gcUtil.hpp"
  29 #include "runtime/os.hpp"
  30 #include "utilities/top.hpp"
  31 
  32 // Interface for thread local storage
  33 
  34 // Fast variant of ThreadLocalStorage::get_thread_slow
  35 extern "C" Thread*   get_thread();
  36 
  37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
  38 extern "C" uintptr_t _raw_thread_id();
  39 
  40 class ThreadLocalStorage : AllStatic {
  41  public:
  42   static void    set_thread(Thread* thread);
  43   static Thread* get_thread_slow();
  44   static void    invalidate_all() { pd_invalidate_all(); }
  45 
  46   // Machine dependent stuff
  47 #ifdef TARGET_OS_ARCH_linux_x86
  48 # include "threadLS_linux_x86.hpp"

   1 /*
   2  * Copyright (c) 1997, 2015, 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  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
  26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
  27 
  28 #include "gc/shared/gcUtil.hpp"
  29 #include "runtime/os.hpp"
  30 #include "utilities/top.hpp"
  31 
  32 // Interface for thread local storage
  33 
  34 // Fast variant of ThreadLocalStorage::get_thread_slow
  35 extern "C" Thread*   get_thread();
  36 
  37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
  38 extern "C" uintptr_t _raw_thread_id();
  39 
  40 class ThreadLocalStorage : AllStatic {
  41  public:
  42   static void    set_thread(Thread* thread);
  43   static Thread* get_thread_slow();
  44   static void    invalidate_all() { pd_invalidate_all(); }
  45 
  46   // Machine dependent stuff
  47 #ifdef TARGET_OS_ARCH_linux_x86
  48 # include "threadLS_linux_x86.hpp"