duke@435: /*
trims@2708:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
stefank@2314: #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/shared/gcUtil.hpp"
stefank@2314: #include "runtime/os.hpp"
stefank@2314: #include "utilities/top.hpp"
stefank@2314: 
duke@435: // Interface for thread local storage
duke@435: 
duke@435: // Fast variant of ThreadLocalStorage::get_thread_slow
duke@435: extern "C" Thread*   get_thread();
duke@435: 
duke@435: // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
duke@435: extern "C" uintptr_t _raw_thread_id();
duke@435: 
duke@435: class ThreadLocalStorage : AllStatic {
duke@435:  public:
duke@435:   static void    set_thread(Thread* thread);
duke@435:   static Thread* get_thread_slow();
duke@435:   static void    invalidate_all() { pd_invalidate_all(); }
duke@435: 
duke@435:   // Machine dependent stuff
stefank@2314: #ifdef TARGET_OS_ARCH_linux_x86
stefank@2314: # include "threadLS_linux_x86.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_linux_sparc
stefank@2314: # include "threadLS_linux_sparc.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_linux_zero
stefank@2314: # include "threadLS_linux_zero.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_solaris_x86
stefank@2314: # include "threadLS_solaris_x86.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_solaris_sparc
stefank@2314: # include "threadLS_solaris_sparc.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_ARCH_windows_x86
stefank@2314: # include "threadLS_windows_x86.hpp"
stefank@2314: #endif
bobv@2508: #ifdef TARGET_OS_ARCH_linux_arm
bobv@2508: # include "threadLS_linux_arm.hpp"
bobv@2508: #endif
bobv@2508: #ifdef TARGET_OS_ARCH_linux_ppc
bobv@2508: # include "threadLS_linux_ppc.hpp"
bobv@2508: #endif
goetz@6461: #ifdef TARGET_OS_ARCH_aix_ppc
goetz@6461: # include "threadLS_aix_ppc.hpp"
goetz@6461: #endif
never@3156: #ifdef TARGET_OS_ARCH_bsd_x86
never@3156: # include "threadLS_bsd_x86.hpp"
never@3156: #endif
never@3156: #ifdef TARGET_OS_ARCH_bsd_zero
never@3156: # include "threadLS_bsd_zero.hpp"
never@3156: #endif
stefank@2314: 
duke@435: 
duke@435:  public:
duke@435:   // Accessor
duke@435:   static inline int  thread_index()              { return _thread_index; }
duke@435:   static inline void set_thread_index(int index) { _thread_index = index; }
duke@435: 
duke@435:   // Initialization
duke@435:   // Called explicitly from VMThread::activate_system instead of init_globals.
duke@435:   static void init();
kamg@677:   static bool is_initialized();
duke@435: 
duke@435:  private:
duke@435:   static int     _thread_index;
duke@435: 
duke@435:   static void    generate_code_for_get_thread();
duke@435: 
duke@435:   // Processor dependent parts of set_thread and initialization
duke@435:   static void pd_set_thread(Thread* thread);
duke@435:   static void pd_init();
duke@435:   // Invalidate any thread cacheing or optimization schemes.
duke@435:   static void pd_invalidate_all();
duke@435: 
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP