--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/threadLocalStorage.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,62 @@
+/*
+ * Copyright 1997-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// 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 {
+ public:
+ static void set_thread(Thread* thread);
+ static Thread* get_thread_slow();
+ static void invalidate_all() { pd_invalidate_all(); }
+
+ // Machine dependent stuff
+ #include "incls/_threadLS_pd.hpp.incl"
+
+ public:
+ // Accessor
+ static inline int thread_index() { return _thread_index; }
+ static inline void set_thread_index(int index) { _thread_index = index; }
+
+ // Initialization
+ // Called explicitly from VMThread::activate_system instead of init_globals.
+ static void init();
+
+ 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();
+ // Invalidate any thread cacheing or optimization schemes.
+ static void pd_invalidate_all();
+
+};