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/*
* 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
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