aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@1: /*
aoqi@1:  * This file has been modified by Loongson Technology in 2015. These
aoqi@1:  * modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1:  * available on the same license terms set forth above.
aoqi@1:  */
aoqi@1: 
aoqi@0: #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
aoqi@0: #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
aoqi@0: 
aoqi@0: #include "gc_implementation/shared/gcUtil.hpp"
aoqi@0: #include "runtime/os.hpp"
aoqi@0: #include "utilities/top.hpp"
aoqi@0: 
aoqi@0: // Interface for thread local storage
aoqi@0: 
aoqi@0: // Fast variant of ThreadLocalStorage::get_thread_slow
aoqi@0: extern "C" Thread*   get_thread();
aoqi@0: 
aoqi@0: // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
aoqi@0: extern "C" uintptr_t _raw_thread_id();
aoqi@0: 
aoqi@0: class ThreadLocalStorage : AllStatic {
aoqi@0:  public:
aoqi@0:   static void    set_thread(Thread* thread);
aoqi@0:   static Thread* get_thread_slow();
aoqi@0:   static void    invalidate_all() { pd_invalidate_all(); }
aoqi@0: 
aoqi@0:   // Machine dependent stuff
aoqi@0: #ifdef TARGET_OS_ARCH_linux_x86
aoqi@0: # include "threadLS_linux_x86.hpp"
aoqi@0: #endif
aoqi@1: #ifdef TARGET_OS_ARCH_linux_mips
aoqi@1: # include "threadLS_linux_mips.hpp"
aoqi@1: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_linux_sparc
aoqi@0: # include "threadLS_linux_sparc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_linux_zero
aoqi@0: # include "threadLS_linux_zero.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_solaris_x86
aoqi@0: # include "threadLS_solaris_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_solaris_sparc
aoqi@0: # include "threadLS_solaris_sparc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_windows_x86
aoqi@0: # include "threadLS_windows_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_linux_arm
aoqi@0: # include "threadLS_linux_arm.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_linux_ppc
aoqi@0: # include "threadLS_linux_ppc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_aix_ppc
aoqi@0: # include "threadLS_aix_ppc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_bsd_x86
aoqi@0: # include "threadLS_bsd_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_OS_ARCH_bsd_zero
aoqi@0: # include "threadLS_bsd_zero.hpp"
aoqi@0: #endif
aoqi@0: 
aoqi@0: 
aoqi@0:  public:
aoqi@0:   // Accessor
aoqi@0:   static inline int  thread_index()              { return _thread_index; }
aoqi@0:   static inline void set_thread_index(int index) { _thread_index = index; }
aoqi@0: 
aoqi@0:   // Initialization
aoqi@0:   // Called explicitly from VMThread::activate_system instead of init_globals.
aoqi@0:   static void init();
aoqi@0:   static bool is_initialized();
aoqi@0: 
aoqi@0:  private:
aoqi@0:   static int     _thread_index;
aoqi@0: 
aoqi@0:   static void    generate_code_for_get_thread();
aoqi@0: 
aoqi@0:   // Processor dependent parts of set_thread and initialization
aoqi@0:   static void pd_set_thread(Thread* thread);
aoqi@0:   static void pd_init();
aoqi@0:   // Invalidate any thread cacheing or optimization schemes.
aoqi@0:   static void pd_invalidate_all();
aoqi@0: 
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP