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