2007-12-01 00:00:00 +00:00
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/*
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2010-11-23 13:22:55 -08:00
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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2007-12-01 00:00:00 +00:00
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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2010-05-27 19:08:38 -07:00
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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2007-12-01 00:00:00 +00:00
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*
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*/
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2010-11-23 13:22:55 -08:00
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#ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
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#define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
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#include "gc_implementation/shared/gcUtil.hpp"
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#include "runtime/os.hpp"
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#include "utilities/top.hpp"
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2007-12-01 00:00:00 +00:00
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// Interface for thread local storage
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// Fast variant of ThreadLocalStorage::get_thread_slow
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extern "C" Thread* get_thread();
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// Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
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extern "C" uintptr_t _raw_thread_id();
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class ThreadLocalStorage : AllStatic {
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public:
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static void set_thread(Thread* thread);
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static Thread* get_thread_slow();
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static void invalidate_all() { pd_invalidate_all(); }
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// Machine dependent stuff
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#ifdef TARGET_OS_ARCH_linux_x86
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# include "threadLS_linux_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_sparc
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# include "threadLS_linux_sparc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_zero
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# include "threadLS_linux_zero.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_solaris_x86
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# include "threadLS_solaris_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_solaris_sparc
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# include "threadLS_solaris_sparc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_windows_x86
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# include "threadLS_windows_x86.hpp"
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#endif
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2007-12-01 00:00:00 +00:00
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public:
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// Accessor
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static inline int thread_index() { return _thread_index; }
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static inline void set_thread_index(int index) { _thread_index = index; }
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// Initialization
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// Called explicitly from VMThread::activate_system instead of init_globals.
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static void init();
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2008-07-28 14:07:44 -04:00
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static bool is_initialized();
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2007-12-01 00:00:00 +00:00
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private:
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static int _thread_index;
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static void generate_code_for_get_thread();
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// Processor dependent parts of set_thread and initialization
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static void pd_set_thread(Thread* thread);
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static void pd_init();
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// Invalidate any thread cacheing or optimization schemes.
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static void pd_invalidate_all();
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};
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2010-11-23 13:22:55 -08:00
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#endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
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